'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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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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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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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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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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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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When dragonflies mate, their tails form a love heart.
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