One in five long-term love relationships began with one or both partners being involved with others.
177
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
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
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44