The left ear is more responsive to words of love and emotion whispered into it than the right.
44
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
Couples' personalities converge over time to make partners more and more similar.
235
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
28
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
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212