> I'm not really sure what stability you're talking about in hunter gatherer societies While the absolute conditions of hunter gatherers were abysmal compared

> I'm not really sure what stability you're talking about in hunter gatherer societies While the absolute conditions of hunter gatherers were abysmal compared to modern western standards, they didn't suffer relative decline in the living conditions due to pregnancy and child rearing. Their tribe took care of their house, food, security and child rearing. In other words, they had a community. Today with the nuclear family mindset, if you don't have parental benefits, you will be hard pressed to figure out your rent, food or insurance and you will see a relative decline in your lifestyle. Humans have big aversion to relative declines even if their absolute lifestyle would still be better than their hunter gatherer ancestors.