Wearing red increases attraction.
30
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
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Couples' personalities converge over time to make partners more and more similar.
235
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
Speed dating was invented by a Rabbi in 1999.
45
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
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