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
Wearing red increases attraction.
30
A man's beard grows fastest when he anticipates sex.
239
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
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
40% of people who are rejected in romantic love slip into clinical depression.
72
