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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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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One in five long-term love relationships began with one or both partners being involved with others.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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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.
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