Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
The typical person spends about 600 hours having sex between the ages of 20 and 70.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
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
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Wearing red increases attraction.
30
Couples' personalities converge over time to make partners more and more similar.
235