Psychologist Christopher Ryan touches on this topic through his research and books on pre / post agriculture.
Basically it boils down to loss of freedom through territorialism and resulting patriarchy of modern civilizations. I can recommend both "Sex at Dawn"[1] and "Civilized to Death"[2].
Cheer up, at least we've got donuts and dentists today.
[1] https://openlibrary.org/books/OL24521078M/Sex_at_dawn
[2] https://openlibrary.org/books/OL27911904M/Civilized_to_Death