The theory isn't mine, Beachcomber. Sorry to disappoint.
Humans do not engage in PIV sex primarily to have babies - but the only reason PIV sex exists is to enable us to have babies. We also enjoy it too
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Child abuse isn't an evolved behaviour - it involves pre-ado children thus cannot be selected. It is an environmentally caused behaviour/disorder. I suppose it could be caused by some kind of genetic mutation? I doubt it imo.
Arranged marriage: this really is the partriarchy. It's about marrying for power/resorce guarding (off the top of my head). Nothing to do with evolved behaviours.
Incest has always existed. It also exists in the animal world. I see it each day with my ram and his flock
. Avoidance of incest is a learned behaviour, a social taboo, which is why we don't engage in it (which turns out to be backed good solid scientific reasons).
Prostitution: off the top of my head again, I guess it would be lower ranking males that engage prostitutes. This is just because sex is pleasurable to us and if you can't attract it, in human societies, we can buy it. Is this an evolved behaviour? I doubt it - you would have to argue that prostitutes had more children survive to sexual adulthood in our evolutionary past - unlikely as they would have needed help to bring them up, help that normally comes from mother-father pairings.
Rape: I know there is a lot of controversy about whether rape is an evolved behaviour. I'm sure you know the stats far better than I do. Again, this is seen in many other species and the cited benefit is if you can't father your own children in a relationship, you try rape to pass on your genes (controversial I know but I'm fairly sure that rape is most common in low ranking men). There is something very deep-rooted about rape and I remember reading a lot about it at one time. I don't think there are any easy answers.
Female sexuality has been fetishized and politicised in patriarchy. Does your theory explain why that might be? People like sex. Men like sex more than women (on average) - they have higher sex drives, they have the expendable gamete (sperm are, in a practical sense, unlimited supply and they are cheap to produce and costly pregnancy isn't an issue). As male reproduction outcome is more variable than women, there is male:male competition for women. Women are more ornamental and men are more visual. All these things (and more I expect) conspire to mean porn is prolific and female sexuality is fetishized. I don't know what you mean by politicised.
NONE of this means it is RIGHT or that it is a reason to perpetuate the behaviour. However, I think feminists are wrong to dismiss it exists at all.
Can you answer some of my questions?
- Men and women have different physiques, why is that?
- Why do women fancy men with muscles or intellect whilst men like curves?
- Why is it abhorrant that genes may explain some behavioural tendancies (it's not just feminists who dislike this) whilst at the same time accepting that, for example, boys are more likely to suffer autism than girls.