O óbvio estudado: Oxford anthropologist J.D. Unwin studied 86 societies and civilizations to see why some collapse and others don't: sexual debauchery leads to the collapse of a civilization within 3 generations.

The single most influential factor in a civilization's longevity and success is prenuptial chastity. If people were expected to remain virgins until marriage, the culture was more likely to have all of the markers of human flourishing, and to be an "advanced" civilization.

What was the best combination, resulting in a culture that exceeds other cultures? Prenuptial chastity combined with absolute monogamy (one spouse for life).

https://x.com/FoundationDads/status/1860831149875999117

(o livro dele está disponivel na net, uma vez achei mas não baixei). Outras conclusões: prenuptial chastity mas SEM Absolute monogamy leva a estagnação a longo prazo, o Islã é o maior exemplo.

and a culture can be turned around. But based on the data, it also takes three generations for improvements to start showing up.

Considerando ainda a queda da natalidade... picadas, e outros venenos...