When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
One in five long-term love relationships began with one or both partners being involved with others.
177
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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
The average person will go on a date at least 100 times before they finally marry.
33