One in five long-term love relationships began with one or both partners being involved with others.
177
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
40% of people who are rejected in romantic love slip into clinical depression.
72
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Two in five people in the world marry their first love.
270
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234