Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Speed dating was invented by a Rabbi in 1999.
45
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
A man's beard grows fastest when he anticipates sex.
239
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
Raj from the Big Bang Theory is married to Miss India.
11
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25