Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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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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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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Two in five people in the world marry their first love.
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