Wearing red increases attraction.
30
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Raj from the Big Bang Theory is married to Miss India.
11
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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