A: Because they don't have to live with other women.
Ron, 89 years of age, was stopped by the police around 2 a.m. and was asked where he was going at that time of night. Ron replied, "I'm on my way to a lecture about alcohol abuse and the effects it has on the human body, as well as smoking and staying out late." The officer asked, "Really? And who's giving that lecture at this time of night?" Ron replied, "That would be my wife."