The truth is, psychologically, men make money to get a woman. The man with the most money gets the pick of more women. It is true sex makes the world go round. If there were no women, men wouldn’t have the incentive to make money as there would be no pay off that important to them.
Actually, m’Lady, it depends on the age bracket under study. ... And in my case, how long since the last divorce.
Beer... and power tools. Those are incentives.
/johnny