The higher a woman’s IQ, the fewer children she has. (5/7)

Satoshi Kanazawa, a British psychologist, has calculated that for every 15 extra IQ points, she has a woman’s desire to have children decreases by 25%. He concluded women prioritize self-education, self-development, career, and travel.

So, Kanazawa thinks that due to this reason, men often choose to marry women with more traditional values.