Kissing an infection-free partner is good for your teeth!
141
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
Historically, sweat has been an active ingredient in perfume and love potions.
309
You burn 26 calories in a one minute kiss.
605
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
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
The average person will go on a date at least 100 times before they finally marry.
33
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88