The single biggest predictor of love is proximity.
30
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
40% of people who are rejected in romantic love slip into clinical depression.
72
You burn 26 calories in a one minute kiss.
605
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
Historically, sweat has been an active ingredient in perfume and love potions.
309