Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Men fall in love faster than women do.
32
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69