'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
One in five long-term love relationships began with one or both partners being involved with others.
177
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
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Speed dating was invented by a Rabbi in 1999.
45
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14