> How much of that is that we (1) socialize women to be that way; and (2) impose disproportionate parenting obligations on them to begin with, which causes them

> How much of that is that we (1) socialize women to be that way; and (2) impose disproportionate parenting obligations on them to begin with, which causes them to seek more flexibility? I cannot speak to (2), but cross-cultural studies suggests that differences in the way women are raised across different cultures don't influence women in the way you suggest. In fact, in more prosperous societies, there are greater sex differences, not less: https://www.youtube.com/watch?v=l3JuaIg99X0 https://www.youtube.com/watch?v=l3JuaIg99X0