Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
When dragonflies mate, their tails form a love heart.
22
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
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
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14