In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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The single biggest predictor of love is proximity.
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Men fall in love faster than women do.
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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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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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'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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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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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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