In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Couples' personalities converge over time to make partners more and more similar.
235
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
Speed dating was invented by a Rabbi in 1999.
45
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
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
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
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