Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Speed dating was invented by a Rabbi in 1999.
45
The left ear is more responsive to words of love and emotion whispered into it than the right.
44
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
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
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
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