Quote:
Originally Posted by hate paper doll
I think part of it is that whole "teaching them" thing. I could see some really insecure guys not being able to deal with the thought of their SO with anyone else sexually too.
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Whenever asking about human mating customs it's always easier to think about evolution. Men want to pass on there genes, so it only makes sense that men would instinctively be anti-other-men-banging-our-baby-factories. It's just good business. All of our other reasoning is just rationalizing that.