The single biggest predictor of love is proximity.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Men who kiss their wives in the morning live five years longer than those who don't.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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