40% of people who are rejected in romantic love slip into clinical depression.
72
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
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
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Raj from the Big Bang Theory is married to Miss India.
11
One in five long-term love relationships began with one or both partners being involved with others.
177
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104