Wearing red increases attraction.
30
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
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
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26