Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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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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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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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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Parents receive 1 out of every 5 Valentines.
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Kissing an infection-free partner is good for your teeth!
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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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