Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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40% of people who are rejected in romantic love slip into clinical depression.
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Men fall in love faster than women do.
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Men who kiss their wives in the morning live five years longer than those who don't.
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The single biggest predictor of love is proximity.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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'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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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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