Parents receive 1 out of every 5 Valentines.
20
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
A man's beard grows fastest when he anticipates sex.
239
Men who kiss their wives in the morning live five years longer than those who don't.
1k
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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 Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69