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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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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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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Couples' personalities converge over time to make partners more and more similar.
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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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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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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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