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 average person will go on a date at least 100 times before they finally marry.
33
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
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
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4

