You heard of how we homo sapiens are supposed to have descended
from chimps(or at least shared a common ancestor with them).
Chimps(and apes, monkeys etc) walk on all fours, thus much of
the time the view the male chimp/ape got of the female one was
their BUTT. And when they copulate, the male from behind, again, he
would get a good view of her BUTT.
So male humans are supposed to have inherited that fetish?(I
don't know what to call it) from our ancestors.
