It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
One in five long-term love relationships began with one or both partners being involved with others.
177
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
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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