Men who kiss their wives in the morning live five years longer than those who don't.
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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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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
A man's beard grows fastest when he anticipates sex.
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