Couples' personalities converge over time to make partners more and more similar.
235
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
Parents receive 1 out of every 5 Valentines.
20
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
You burn 26 calories in a one minute kiss.
605
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104