When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
40% of people who are rejected in romantic love slip into clinical depression.
72
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.
28
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
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
Historically, sweat has been an active ingredient in perfume and love potions.
309
Speed dating was invented by a Rabbi in 1999.
45