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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
You burn 26 calories in a one minute kiss.
605
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Wearing red increases attraction.
30
Historically, sweat has been an active ingredient in perfume and love potions.
309