OK, all you amateur psychologists out there, this study's for you.
What we have here, courtesy of Who Tends the Fires, with Eric (strange lad that he is) posting, is nothing short of a giant "Aha! Told you so!"
Either the monkeys have been given too little credit except for "Planet of the Apes", or modern human sexual behavior is very, well, primal.
I blog, you decide.