In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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When dragonflies mate, their tails form a love heart.
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The average person will go on a date at least 100 times before they finally marry.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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'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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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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