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
Yawns are more contagious among people with closer relationships.
163
Women rate men more attractive if other women are looking and smiling at him.
17
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Intelligent men tend to be more sexually faithful.
31
Wearing red increases attraction.
30
Men fall in love faster than women do.
32