In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Parents receive 1 out of every 5 Valentines.
20
40% of people who are rejected in romantic love slip into clinical depression.
72
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Men who kiss their wives in the morning live five years longer than those who don't.
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