One in five long-term love relationships began with one or both partners being involved with others.
177
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Intelligent men tend to be more sexually faithful.
31
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14