From an evolutionary perspective, there is nothing reproductive about the butt, but people see it as erotic. Why? Also, why do people want anal and oral sex? There's no reproductive value in having sex in these ways. Millions of years ago, it took mother nature a huge incentive to get animals to want to reproduce. That's where the orgasm came in. However, some human sexual behavior doesn't make sense.
2007-07-12
10:06:43
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7 answers
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asked by
Michael F
3
in
Science & Mathematics
➔ Biology