If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
Kissing an infection-free partner is good for your teeth!
141
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88