You say males have a job to impregnate as many different females as possible. I am guessing this is to maximize genetic diversity in their offspring?
Nah. That's just a little ditty kids hear in high school biology class because it's short and easy (so of course you will hear it in ordinary discussions online too).
You missed the obvious dynamic here, which is that
sperm is cheap, and eggs are dear. For what good reason does a man like the thought of macking on every hot piece of ass he sees? Because of some new-aged idea of diversity? Quite the opposite in fact; because it maximizes a
certain kind of bloodline (over others);
his. A man can sleep around because it's
easy for him to do so (read: put lots of buns in an oven).
On the other hand, having a baby is something of a
significant logistical challenge, so naturally when making such a big leap in investment, it would pay to make sure it's with a suitably high value partner (thus hopefully maximising the fitness of
her bloodline).
Which is also why, for men, there can too women be seemingly sociopathic distinctions between the feelings of affection and sexual attraction, while for women the feeling of emotional attachment and sexual attraction are oft more or less one and the same feeling, and there can be too men a seemingly sociopathic ability to quickly disregard attachments with an old mate that seemingly demonstrated low value, and just as easily form new attachments with a new one, that seemingly demonstrated higher value in accordance with her limbic system's adjudication criteria, feeling disgusted by the idea of her highly limited and valuable investment
wasted on the seemingly low value mate (up too and including feeling disgusted by
her own children even sired by the same).
Of course no party involved needs to be
consciously aware of such logic at work in order to follow it; only for the
aggregate effect of motive instincts at work to ultimately develop such outcomes, one way or another. (In fact, it can in certain ways actually be
adaptive for a subject to be solipsistically un-self-aware; what better actor than an actor who actually
earnestly believes their bull?)
/f12: grappling technique