You burn 26 calories in a one minute kiss.
605
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
Historically, sweat has been an active ingredient in perfume and love potions.
309
Wearing red increases attraction.
30
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
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