Men who kiss their wives in the morning live five years longer than those who don't.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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