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
You burn 26 calories in a one minute kiss.
605
Two in five people in the world marry their first love.
270
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
When dragonflies mate, their tails form a love heart.
22
In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
44
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81