40% of people who are rejected in romantic love slip into clinical depression.
72
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 Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Speed dating was invented by a Rabbi in 1999.
45
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81