Two in five people in the world marry their first love.
270
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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
The average person will go on a date at least 100 times before they finally marry.
33
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13