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
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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
40% of people who are rejected in romantic love slip into clinical depression.
72
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69