Parents receive 1 out of every 5 Valentines.
20
Raj from the Big Bang Theory is married to Miss India.
11
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
The average person will go on a date at least 100 times before they finally marry.
33
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 dragonflies mate, their tails form a love heart.
22
Couples' personalities converge over time to make partners more and more similar.
235
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13