Speed dating was invented by a Rabbi in 1999.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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You burn 26 calories in a one minute kiss.
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40% of people who are rejected in romantic love slip into clinical depression.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14