Why Is Sex Fun?: The Evolution of Human Sexuality

Whether you're strictly vanilla or like a little spice in the bedroom, compared to the rest of the animal kingdom humans are the kinkiest fuckers on the planet. Why is Sex Fun? The Evolution of Human Sexuality shows us how we became the only species to do the deed whenever we want, why men don't lactate and more on how human sexuality has been crucial to our rise in the animal kingdom.

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