When people get married, they stop trying as hard

“The age–genius curves among jazz musicians, painters and authors are also similar to the age–crime curve. Further, marriage has a strong desistance effect on both crime and genius.”

”I argue that this is because both crime and genius stem from men s evolved psychological mechanism which compels them to be highly competitive in early adulthood but ‘‘turns off’’ when they get married and have children.”

“Fluctuating levels of testosterone, which decreases when men get married and have children, can provide the biochemical microfoundation for this psychological mechanism.”