What is *Why Is Sex Fun?* by Jared Diamond about?

*Why Is Sex Fun?* examines human sexuality through an evolutionary lens, exploring bizarre traits like concealed ovulation, menopause, recreational sex, and monogamy. Jared Diamond analyzes how these behaviors differ from other mammals and shaped human survival strategies, blending anthropology, biology, and cultural insights to explain why our sexual practices evolved uniquely.

Who should read *Why Is Sex Fun?*?

This book suits readers interested in evolutionary biology, anthropology, or human behavior. It’s ideal for those curious about science-based explanations for sexual norms, students of biology, and fans of Diamond’s accessible writing style. Casual readers seeking thought-provoking perspectives on intimacy’s role in human evolution will also find it engaging.

Is *Why Is Sex Fun?* by Jared Diamond worth reading?

Yes—Diamond’s concise, engaging analysis bridges scientific rigor and readability. While short, it offers groundbreaking insights into human sexuality’s evolutionary quirks, making it a valuable read for anyone intrigued by biology, anthropology, or the origins of social behaviors. Critics note its title may mislead those expecting titillation, but it delivers intellectually stimulating content.

What are Jared Diamond’s main arguments in *Why Is Sex Fun?*?

Diamond argues human sexuality defies evolutionary norms: concealed ovulation strengthened pair bonding, menopause allowed older women to support grandchildren, and recreational sex reinforced monogamy. These traits, absent in most mammals, evolved to ensure prolonged parental care and cooperative societies, giving humans survival advantages.

How does *Why Is Sex Fun?* explain human menopause?

Menopause, rare in mammals, is framed as an evolutionary strategy: older women boost grandchildren’s survival by sharing resources and knowledge, rather than risking late-life pregnancies. This “grandmother hypothesis” suggests menopause enhanced human longevity and intergenerational cooperation, contributing to societal stability.

What does *Why Is Sex Fun?* say about concealed ovulation?

Unlike animals with obvious fertility signals, humans evolved concealed ovulation to keep mates constantly attentive. This encouraged monogamy and male investment in child-rearing, as men couldn’t predict optimal mating times. Diamond ties this to the development of long-term partnerships critical for raising dependent human offspring.

What are the key quotes from *Why Is Sex Fun?* and their meanings?

- **“We are the ones who are bizarre”**: Highlights humanity’s unique sexual traits compared to animals. - **“Recreational sex is the glue holding couples together”**: Posits non-reproductive sex strengthens pair bonds for cooperative parenting. - **“Menopause is among the most bizarre features”**: Emphasizes its evolutionary puzzle and role in grandparental care.

How does *Why Is Sex Fun?* compare to Jared Diamond’s other works?

Unlike *Guns, Germs, and Steel* (broad historical analysis) or *Collapse* (societal failures), *Why Is Sex Fun?* zooms in on evolutionary biology. It retains Diamond’s interdisciplinary approach but focuses narrowly on sexuality’s role in human development, offering a specialist complement to his macro-scale works.

Perché il sesso è divertente?

L'evoluzione della sessualità umana

Jared Diamond

3.7(7209 Reviews)

Panoramica di Perché il sesso è divertente?

Perché la sessualità umana è così straordinariamente complessa? Il capolavoro scientifico di Jared Diamond esplora l'ovulazione nascosta, il sesso ricreativo e i paradossi evolutivi che plasmano le nostre vite intime. Elogiato dal biologo Steve Jones e considerato una lettura essenziale sulla sessualità umana, nonostante sia stato definito "informativo ma troppo scarno" dagli antropologi.

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Capitolo 1

The Evolutionary Paradox of Human Sexuality

Sex fascinates and perplexes us in equal measure. While most animals engage in straightforward reproductive behaviors, humans have developed a bizarrely complex relationship with sexuality that shapes our societies, relationships, and individual identities. Jared Diamond's provocative exploration of human sexuality through an evolutionary lens has become a cultural touchstone since its publication, appearing on Bill Gates' recommended reading list and influencing discussions across disciplines from anthropology to psychology. The book's central premise-that our unusual sexual behaviors were as crucial to human evolution as our large brains and upright posture-challenges conventional thinking about what makes us human. By examining why we have recreational sex, practice monogamy, conceal ovulation, and experience menopause, Diamond reveals the evolutionary forces that shaped our most intimate behaviors and ultimately enabled the development of language, art, and civilization itself.

Capitolo 2

The Oddest Sexual Animals on Earth

If your dog could talk, it would find human sexuality utterly bizarre. We have sex regardless of fertility, continue during pregnancy, maintain sexual activity after menopause, and insist on privacy. These behaviors, commonplace to us, are actually extraordinary in the animal kingdom. To understand our sexuality, we must recognize how profoundly abnormal our practices are compared to other species. Most mammals follow dramatically different sexual patterns. They don't form nuclear families with joint offspring care, a practice we consider fundamental to human society. Males typically contribute only sperm, not paternal care - a stark contrast to human fathers who often invest years in raising their children. Even in highly social mammal species like wolves and lions, males rarely recognize or specifically care for their own offspring. Instead, they might protect the entire group or territory, but without the focused paternal investment characteristic of humans. Sex in the animal kingdom occurs publicly and follows strict biological rhythms. Females conspicuously advertise their fertile periods through visual, behavioral, and chemical signals - from the swollen buttocks of female baboons to the distinctive scent markers of house cats. These females typically refuse all sexual contact when infertile, making human recreational sex appear highly unusual. Menopause, a defining feature of human female biology, isn't well-established in wild mammals, with only a few whale species showing similar post-reproductive lifespans. Looking beyond mammals reveals even more sexual diversity, but doesn't make humans appear any more normal. Some birds, frogs, and fish show paternal rather than maternal care - male seahorses famously carry and birth their young. Sexual cannibalism appears in spiders and mantids, where females consume their mates. Some species practice big-bang reproduction, dying after a single breeding event. Others use lek mating systems where males gather at traditional display sites to compete for female attention, like sage grouse or hammer-headed bats. While European and North American birds form pair bonds and provide biparental care, superficially similar to humans, they still differ fundamentally by advertising ovulation and limiting sex to fertile periods. Even our closest relatives, bonobos, who approach our patterns of recreational sex, lack our distinctive combination of strong pair bonds, concealed ovulation, and dedicated paternal care. Our large brains and upright posture dramatically changed our species' trajectory, but our bizarre sexuality was equally transformative in human evolution. Our sexual distinctiveness wasn't merely a byproduct of other unique traits - rather, recreational sex and menopause were as important for our development of fire, language, art, and writing as were our posture and brains. Understanding human sexuality requires recognizing it as a complex evolutionary adaptation, shaped by both ecological circumstances and biological constraints, that helped create the unique species we are today.

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Capitolo 3

The Evolutionary Battle Between Males and Females

We take for granted that human fathers contribute to their children's upbringing, even enshrining this expectation in child support laws. But this arrangement makes us aberrations in the animal world, especially among mammals. Most male mammals provide no parental care whatsoever after insemination, focusing entirely on finding new mating opportunities. Natural selection operates on individuals rather than species, creating inherent conflicts between parents. When care by one parent is essential for offspring survival, child-rearing becomes a cold-blooded race between mother and father to desert first and pursue new reproductive opportunities. Which parent backs down depends on their relative investment in the embryo, alternative opportunities, and confidence in parenthood. For internally fertilized species, mothers typically invest far more than fathers-a human egg has a million times the mass of a sperm. After fertilization, mothers commit additional resources through pregnancy and often lactation, while males can immediately seek new mates. Females also have absolute certainty of maternity, while males face paternity uncertainty-compelling evolutionary reasons why female-only care predominates in mammals. Some species deviate from this pattern. In externally fertilized species like certain fish and frogs, males can be confident of paternity by immediately collecting and guarding eggs they've just fertilized, becoming sole parents. The male midwife toad wraps eggs around his hind legs, glass frogs guard eggs positioned above streams, and male sticklebacks build protective nests. In remarkable exceptions like jacanas and phalaropes, females compete fiercely to acquire harems of smaller males. The victorious female guards her "prize" males, each incubating a clutch of her eggs. This strategy works for shorebirds because they lay only four large eggs that produce precocial chicks. These eggs exhaust females, creating advantages for males who take over parental duties. However, this arrangement creates intense competition among females for available males, with female-to-male ratios reaching seven-to-one in some populations. The third exception occurs in species where single parents cannot successfully rear offspring alone. In such cases, self-interest forces both parents to remain together. This arrangement characterizes most familiar birds and humans too. In ancient hunter-gatherer societies, children who lost either parent faced reduced survival chances, making it evolutionarily advantageous for fathers to provide food, protection, and housing. Yet even with biparental care, the battle between sexes continues, with males trying to minimize parental investment while ensuring offspring survival.

Capitolo 4

The Curious Case of Male Lactation

The absence of male lactation seems an obvious biological fact-men lack the equipment, pregnancy experience, and hormones. Yet this seemingly solved physiological problem actually requires evolutionary explanation. Both male and female pigeons produce "milk" for their young, and male seahorses get pregnant instead of females. Many female mammals can produce milk without pregnancy, and some men can lactate when given hormones or even spontaneously. Male lactation lies within men's physiological potential but isn't part of our normal repertoire. Sex is determined by our chromosomes-23 pairs in each cell, with the 23rd pair being the sex chromosomes. Women have two X chromosomes while men have one X and one Y. The Y chromosome contains genes specifying testis development. In the fifth week after fertilization, all embryos develop a "bipotential" gonad. With a Y chromosome present, this develops into testes by week seven; without it, development into ovaries begins in week thirteen. Developing into a complete male or female requires more than just testes or ovaries. Embryos have multiple bipotential structures whose development is guided by testicular secretions. Testosterone and dihydrotestosterone convert embryonic structures into penis and scrotum that would otherwise become clitoris and labia. Without testes, Wolffian ducts atrophy while Mullerian ducts develop into uterus, fallopian tubes, and interior vagina. With testes present, androgens stimulate Wolffian ducts to become male reproductive structures while Mullerian inhibiting hormone prevents female organ development. The effects of testosterone vary greatly across species, organs, and age. Sexual dimorphism ranges dramatically-from gorillas where males are twice the size of females with distinctive silver backs, to humans with more modest 20% weight differences, to gibbons where sexes appear nearly identical. Both sexes of placental mammals have mammary glands, though male development varies from completely absent in mice to nearly identical to females in primates before puberty. Male/female hormonal differences aren't absolute but matters of degree. Males possess much of the necessary anatomical equipment and hormone receptors for lactation. Breast development and milk production can be triggered in males through hormone injection, cancer treatments involving estrogen, certain tranquilizers, or even topical application of estrogen cream. Most significantly, mere mechanical stimulation of nipples can trigger lactation in males through natural hormone-releasing nerve reflexes. Spontaneous male lactation occurs in several contexts: men recovering from starvation, male goats with normal reproductive capacity, captive stumptailed macaques, and wild Dyak fruit bats of Malaysia. The fruit bat case is particularly significant as males appear to develop functional mammary glands alongside females as part of the natural reproductive cycle. The evolutionary battle of the sexes explains why male lactation never evolved as standard. In 90% of mammal species, offspring survive with zero paternal care, making male lactation unnecessary. Males carrying mutations for nursing would be outbred by males investing energy in impregnating more females. Even in species requiring paternal care, lactation isn't necessarily the most valuable contribution fathers can make. Lion fathers better serve by driving off predators, wolf fathers by hunting for the nursing mother, and gibbon fathers by protecting territory-tasks that would be compromised by staying to nurse offspring.

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Capitolo 5

The Mystery of Recreational Sex

Unlike most mammals, humans engage in recreational sex without awareness of female fertility cycles. While female baboons and most other mammals display obvious physical signals during ovulation and restrict sexual activity to these fertile periods, human ovulation remains concealed. Without scientific knowledge or testing kits, humans cannot reliably detect when fertilization is possible. This leads to our bizarre pattern of nearly continuous sexual activity throughout the menstrual cycle, during pregnancy, and after menopause-when conception is impossible. From an evolutionary perspective, this pattern seems wasteful compared to the targeted mating of other species. Sex is costly in terms of energy, time, and risk-sperm production requires resources, mating takes time away from finding food, couples in embrace risk predator attacks, and competition for mates can lead to injury. One explanation centers on humans' uniquely helpless infants who require extensive parental care for many years. The "daddy-at-home" theory suggests concealed ovulation evolved to keep men with their mates-if women advertised fertility like baboons, men would only stay home during ovulation and seek other fertile females the rest of the time. By concealing ovulation, women force men to stay home and make love frequently to ensure fertilization, while also guarding against other men. This promotes monogamy, paternal care, and fathers' confidence in their paternity. Competing with this is Sarah Hrdy's "many-fathers" theory, which views concealed ovulation as protection against infanticide. Through concealed ovulation, females ensure most males mate with most females, creating widespread paternity confusion that protects offspring. While Hrdy considers concealed ovulation an adaptation to minimize threats from adult males, Alexander and Noonan see it as reinforcing monogamy. A comparative study of primates revealed that nearly half of primate species lack visible ovulation signs, and most monogamous primates have concealed ovulation, while advertised ovulation occurs mainly in promiscuous species. By studying the primate evolutionary tree, researchers found concealed ovulation evolved primarily in promiscuous or harem-holding species, not monogamous ones. The reconciliation of these findings suggests a two-step process: concealed ovulation first evolved in promiscuous or harem-holding species (supporting the many-fathers theory), and then these species later switched to monogamy (supporting the daddy-at-home theory). Concealed ovulation has thus reversed its evolutionary function during primate history.

Capitolo 6

The Show-Off Strategy: What Are Men Good For?

Traditional anthropological views held that human males' meat provisioning fundamentally distinguishes us from other mammals. Men were thought to hunt primarily to feed their families, creating a strategic division of labor where women gathered reliable plant foods while men pursued riskier but potentially more rewarding animal proteins. This perspective appeared to elegantly explain human pair bonding, nuclear families, and the evolution of long-term mating relationships that characterize our species. Anthropologist Kristen Hawkes fundamentally challenged this conventional wisdom through her groundbreaking studies of Paraguay's Northern Ache Indians. Her meticulous research revealed two surprising and counterintuitive findings: first, men's hunting strategy actually yields lower average returns (9,634 calories daily) than women's reliable palm starch gathering (10,356 calories), despite occasional impressive big kills. Second, successful hunters don't bring meat primarily to their wives and children but share it widely throughout the community - sometimes even prioritizing unrelated individuals over family members. This pattern directly contradicts the prediction that men should pursue strategies yielding the most reliable food for their immediate families. The truth reveals fundamental reproductive asymmetries deeply rooted in human biology. While multiple partners offer women no reproductive advantage once fertilized (as they can only bear one pregnancy at a time), men can dramatically increase their number of offspring through brief adulteries with multiple partners. Hawkes identifies two distinct male strategies that emerge from this dynamic: the "provider" who hunts predictable foods like palm starch and small game like rats, versus the "show-off" who pursues large, dangerous game with lower average returns but occasional impressive kills that garner significant social attention and status. Women face complex trade-offs in this system. They benefit most from marrying reliable providers while having occasional adulterous relationships with show-offs for extra resources and genetic diversity. Show-offs gain evolutionary advantages through multiple pathways: extra illegitimate children, elevated tribal prestige that attracts more potential mates, and preferential treatment of their offspring by the community, though they bring less consistent food to their legitimate families. When Hawkes calculated the detailed reproductive numbers for the Ache, she concluded show-offs likely pass on their genes to more surviving children than providers, despite appearing to be less reliable partners. This pattern reveals a classic evolutionary conflict of interest in hunter-gatherer lifestyles - what's optimal for a man's genetic interests isn't necessarily aligned with what's best for a woman's reproductive success. These biological conflicts of interest extend far beyond just spouses to multiple relationships: parents and children competing for resources, pregnant women and fetuses having different optimal nutrient allocations, and siblings competing for parental investment. Such conflicts often lead to the gut-wrenching personal and family tragedies that define human social dynamics, from infidelity and abandonment to familial resource disputes. The show-off strategy illuminates how evolutionary pressures can create seemingly irrational behavior that nonetheless persists because it successfully propagates genes, even at the cost of family stability.

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Capitolo 7

The Paradox of Menopause: Making More By Making Less

Human female menopause represents one of the most bizarre features of human sexuality from an evolutionary perspective. While most wild animals and human males remain fertile until death or near-death, human females experience universal fertility decline around forty, leading to complete sterility within a decade. This paradoxically contradicts natural selection's fundamental principle of promoting traits that increase descendants. Three common objections to viewing menopause as an evolutionary puzzle fail under scrutiny. First, dismissing menopause as merely an artifact of recent increased lifespans ignores that male reproduction and all other biological functions continue working decades after forty. Second, claiming menopause isn't unique to humans overlooks that only pilot whales show comparable extended post-reproductive lifespans in the wild-chimpanzees, gorillas, baboons, and elephants remain fertile into old age. Third, explaining menopause as simple egg depletion fails to address why natural selection programmed women's eggs to become depleted or unresponsive by their forties when other long-lived animals maintain viable eggs for 60+ years. Aging isn't physiologically inevitable-it's a matter of evolutionary investment in maintenance. Like machines, bodies deteriorate with use and require both acute damage repair and ongoing maintenance. Species vary dramatically in their investment in self-maintenance, explaining why turtles live over a century while laboratory mice die before age three despite optimal conditions. We humans could theoretically avoid aging by investing heavily in repair mechanisms, but such maintenance consumes resources that could otherwise go toward reproduction. Menopause provides evolutionary advantages that outweigh the seemingly counterproductive strategy of making fewer babies. A hunter-gatherer mother with several children risks losing her genetic investment if she dies before her youngest reaches adolescence. This risk compounds with childbirth dangers that increase dramatically with age-even in modern Western societies, childbirth risk is seven times higher for women over forty than for twenty-year-olds. Additionally, postmenopausal women contribute significantly to their grandchildren's survival-Hadza grandmothers work impressive seven-hour foraging days, sharing their harvest with relatives and providing childcare. This "grandmother effect" may provide greater genetic success than continued childbearing. Finally, elderly women serve as crucial "tribal libraries" in preliterate societies, preserving vital knowledge about rare resources and survival techniques during catastrophes.

Capitolo 8

The Language of Bodies: Truth in Advertising

Body signals allow one animal to quickly alter another's behavior through small cues that represent complex biological attributes. These signals have evolved through natural selection to communicate essential information between animals. For example, when two animals of the same species compete for resources, exchanging signals that accurately indicate their relative strength benefits both by avoiding unnecessary fights. Scientists have demonstrated the power of animal signals through controlled experiments. Male Long-Tailed Widowbirds with artificially lengthened tails attract more mates, while those with shortened tails attract fewer. Herring Gull chicks peck most frequently at artificial bills with red dots, triggering parents to regurgitate food. Great Tits retreat from rivals with wider black breast stripes, regardless of actual physical superiority. Three competing theories explain body sexual signals. Fisher's "runaway selection model" suggests females initially prefer males with slightly advantageous traits, creating a feedback loop that exaggerates these traits until they become survival disadvantages. Zahavi's "handicap theory" argues that costly, survival-hampering signals like peacock tails honestly advertise genetic quality-only superior males could survive despite such handicaps. Finally, Kodric-Brown and Brown's "truth in advertising" theory views costly structures as honest advertisements that either favor survival or link to survival-enhancing traits. Despite our intelligence and language abilities, humans rely on body signals as arbitrary as those of other animals. We quickly assess potential mates based on unconscious responses to physical signals, not rational evaluation. Three human signals conform to the "truth-in-advertising" model: men's muscles truthfully indicate strength and resource acquisition ability; facial beauty potentially signals health and parasite resistance; and women's body fat distribution, particularly in breasts and hips, signals reproductive capacity and ability to nurse offspring successfully. Women's fat deposits are strategically concentrated in visible areas that don't impede movement. While some signals like pubic hair and beards are arbitrary indicators of maturity, others carry deeper meaning. Men's penises may exemplify Fisher's runaway selection model, having evolved to be significantly larger than our ape relatives' despite limited functional necessity. This may serve as a signal of virility directed at both women and other men, illustrating how even our most familiar sexual equipment raises unsolved evolutionary questions about selective forces that drove its historical expansion.

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Capitolo 9

Conclusion: The Evolutionary Tapestry of Human Sexuality

Human sexuality's unique features-concealed ovulation, recreational sex, menopause, paternal investment, and elaborate body signals-form an interconnected evolutionary tapestry that distinguishes us from all other species. These seemingly bizarre traits didn't evolve in isolation but reinforced each other, creating feedback loops that accelerated human evolution and enabled the development of our complex societies and cultures. For instance, concealed ovulation promoted pair bonding, which in turn supported greater paternal investment, allowing for the extended childhood development crucial to human cognitive advancement. The interplay of these distinctive traits created unprecedented social dynamics. Unlike other primates, humans developed long-term pair bonds while maintaining complex social networks. This unique combination supported cooperative child-rearing, resource sharing, and the transmission of cultural knowledge across generations. The evolution of recreational sex strengthened emotional bonds between partners, while extended post-reproductive lifespans enabled grandmothers to contribute significantly to their grandchildren's survival and development. By understanding the evolutionary forces that shaped our sexuality, we gain insight not just into our biological past but into the social structures, gender roles, and relationship dynamics that continue to define human experience. The conflicts between male and female reproductive strategies explain tensions in modern relationships, from jealousy and mate-guarding behaviors to differences in emotional and sexual needs. The grandmother effect illuminates the importance of extended family networks in child development, explaining why societies that maintain strong intergenerational bonds often show better outcomes for children. Our aesthetic preferences and attraction patterns reflect ancient evolutionary pressures that once meant life or death for our ancestors. The universal appreciation for facial symmetry, clear skin, and certain body proportions stems from their historical correlation with health and fertility. Cultural variations in beauty standards overlay these basic biological preferences, demonstrating how evolution and culture interact to shape human behavior. Far from being merely academic, these evolutionary insights offer practical understanding of our own behaviors and those of our partners. They explain why we experience certain emotional reactions, why relationships follow predictable patterns, and why some aspects of modern life create psychological stress. These adaptations that evolved over millions of years sometimes conflict with our conscious goals and modern social arrangements, creating tensions between our evolutionary heritage and contemporary lifestyles. By recognizing these evolutionary legacies, we can approach human sexuality with greater compassion, wisdom, and perhaps even humor about the strange creatures we have become. Understanding our evolutionary past helps us navigate modern relationships more effectively, make informed choices about our sexual and reproductive lives, and build social structures that better accommodate both our ancient instincts and our modern aspirations. This knowledge empowers us to work with, rather than against, our evolutionary nature while consciously choosing how to express and channel these deep-seated drives in healthy and constructive ways.

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Temi chiave in Perché il sesso è divertente?

evolutionary reproductive strategies
concealed ovulation
paternal investment
biological origins of monogamy
evolutionary purpose of menopause

Citazioni da Perché il sesso è divertente?

Sex fascinates and perplexes us in equal measure.
If your dog could talk, it would find human sexuality utterly bizarre.
We have sex regardless of fertility.
Females also have absolute certainty of maternity, while males face paternity uncertainty.
Natural selection operates on individuals rather than species.

Personaggi di Perché il sesso è divertente?

Jared DiamondAuthor and evolutionary biologist

Sull'autore

Jared Mason Diamond, autore vincitore del Premio Pulitzer di Perché il sesso è divertente? L'evoluzione della sessualità umana, è un rinomato geografo, fisiologo e biologo evoluzionista.

Professore alla UCLA e beneficiario del "Genius Grant" della MacArthur Foundation, il lavoro di Diamond unisce diverse discipline per esplorare come la biologia, l'ambiente e la cultura modellino le società umane.

I suoi libri bestseller, tra cui Armi, acciaio e malattie (vincitore del Premio Pulitzer), Collasso e Il terzo scimpanzé, sintetizzano antropologia, ecologia e storia per affrontare le questioni più urgenti dell'umanità. Perché il sesso è divertente? riflette il caratteristico approccio interdisciplinare di Diamond, esaminando le origini evolutive della sessualità umana attraverso la lente della biologia comparata e delle scienze sociali.

Insignito della National Medal of Science e speaker TED, le opere di Diamond sono state tradotte in oltre 25 lingue, consolidando il suo status di voce autorevole nella comprensione del comportamento umano e dello sviluppo sociale.

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"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

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"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

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483

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108

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@Erin, Investment Banking Associate , NYC

254

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@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

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Capitolo 4

Perché il sesso è divertente?

PanoramicaPanoramica di Perché il sesso è divertente?

Un libro. Tanti modi per ascoltarlo.

The Evolutionary Paradox of Human Sexuality

The Oddest Sexual Animals on Earth

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The Evolutionary Battle Between Males and Females

The Curious Case of Male Lactation

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The Mystery of Recreational Sex

The Show-Off Strategy: What Are Men Good For?

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The Paradox of Menopause: Making More By Making Less

The Language of Bodies: Truth in Advertising

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Conclusion: The Evolutionary Tapestry of Human Sexuality

Hai raggiunto la fine di Perché il sesso è divertente?

Temi chiave in Perché il sesso è divertente?

Citazioni da Perché il sesso è divertente?

Personaggi di Perché il sesso è divertente?

Sull'autore

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FAQ su questo libro

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1,000,000+ curious minds.

1,000,000+ curious minds.

Un libro. Tanti modi per ascoltarlo.

The Evolutionary Paradox of Human Sexuality

The Oddest Sexual Animals on Earth

Vedi ogni parola mentre la ascolti

The Evolutionary Battle Between Males and Females

The Curious Case of Male Lactation

Ottieni di più da Perché il sesso è divertente?

The Mystery of Recreational Sex

The Show-Off Strategy: What Are Men Good For?

Vedi ogni parola mentre la ascolti

The Paradox of Menopause: Making More By Making Less

The Language of Bodies: Truth in Advertising

Ottieni di più da Perché il sesso è divertente?

Conclusion: The Evolutionary Tapestry of Human Sexuality

Hai raggiunto la fine di Perché il sesso è divertente?

Agli utenti è piaciuto anche

Scopri di più

Panoramica di Perché il sesso è divertente?