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
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
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Intelligent men tend to be more sexually faithful.
31
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18