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
Historically, sweat has been an active ingredient in perfume and love potions.
309
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
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
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
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
The average person will go on a date at least 100 times before they finally marry.
33