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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One in five long-term love relationships began with one or both partners being involved with others.
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Two in five people in the world marry their first love.
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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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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
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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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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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