Couples' personalities converge over time to make partners more and more similar.
235
Parents receive 1 out of every 5 Valentines.
20
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
When dragonflies mate, their tails form a love heart.
22
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
You burn 26 calories in a one minute kiss.
605
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16