When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
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
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Two in five people in the world marry their first love.
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