>>212294926This is all true (I'm a male btw) except the war part
I've researched that part too, and the impact of even WW1 on the dating pool was surprisingly small. There was a kind of meme in Britain in the 1960s of old women who grew up as childless aunties because of male shortage but it was only a fringe
A video I watched which cited scientific sources basically explained how the development of material economy and the patriarchy led to monogamy, famlies and men being able to guarantee a mate, but before that the top chads had harems