Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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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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The left ear is more responsive to words of love and emotion whispered into it than the right.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
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