40% of people who are rejected in romantic love slip into clinical depression.
72
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Men who kiss their wives in the morning live five years longer than those who don't.
1k
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
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
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14