Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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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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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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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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