'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
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Men fall in love faster than women do.
32
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
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
Raj from the Big Bang Theory is married to Miss India.
11
Sea otters hold hands while sleeping so they don’t drift away from each other.
104