Actually we have empirical evidence that women's premarital sexual adventures damage their ability to form stable marriages:
http://socialpathology.blogspot.com/2010/08/defining-slut.html
When our allegedly unenlightened ancestors shamed sluts, shunned bastard kids and married their daughters off as young virgins, it turns out that they knew their business after all.
BTW, I find it curious that at least some of us consider paleonutrition a guide towards a modern healthy diet, but then turn around and call paleocognition bad names like "cognitive biases."
I haven't done anything to "abuse" the voting system, and you should retract your accusation because you have no evidence of that. I don't understand how my posts can gain so many upvotes in such a short time.