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
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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
You burn 26 calories in a one minute kiss.
605
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Parents receive 1 out of every 5 Valentines.
20
One in five long-term love relationships began with one or both partners being involved with others.
177