Wearing red increases attraction.
30
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
-2
Historically, sweat has been an active ingredient in perfume and love potions.
309
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
The single biggest predictor of love is proximity.
30