One in five long-term love relationships began with one or both partners being involved with others.
177
Wearing red increases attraction.
30
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
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
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20