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
Speed dating was invented by a Rabbi in 1999.
45
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
A man's beard grows fastest when he anticipates sex.
239
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26