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
40% of people who are rejected in romantic love slip into clinical depression.
72
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Wearing red increases attraction.
30
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26