Caveman instincts in bed?

women always say they act on their caveman instincts to mate/date a guy who is tall good looking good genes etc. so it's only fair if men sleep around because of our caveman instinct right? since men are naturally supposed to f*** as many girls as they can?

if women act on their "caveman instincts" then why shouldn't men?
Caveman instincts in bed?
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