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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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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Parents receive 1 out of every 5 Valentines.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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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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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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Raj from the Big Bang Theory is married to Miss India.
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