'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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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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Speed dating was invented by a Rabbi in 1999.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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