In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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The single biggest predictor of love is proximity.
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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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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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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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