A biological and anthropological researcher discusses different sexual relationships found across primate species and human societies.
, and you’ll find couples, throuples, harems, and other arrangements of lovers. Fidelity, adultery, and ethically non-monogamous unions. How could one species have evolved myriad ways to mate? Concerning sex, what is natural for us humans?
Fossils indicate the earliest hominins—the evolutionary branch leading to humans after its split from chimps—resembled upright walking apes. Considering these first human ancestors looked and acted like apes in many ways, it’s likely they mated polygamously. Sexual desire, grown from our polygamous primate roots, makes people want many partners or at least sexual novelty. I suggest that is why some married partners try to introduce novelty by wearing sexy underwear or otherwise changing routines. Providing a somewhat quantitative measure,that changing sexual partners in swing clubs or while watching pornography often reduces a penis’ recovery period between orgasm and the next erection.
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