Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
The average person will go on a date at least 100 times before they finally marry.
33
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4