'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."
10
Speed dating was invented by a Rabbi in 1999.
45
Men who kiss their wives in the morning live five years longer than those who don't.
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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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