Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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One in five long-term love relationships began with one or both partners being involved with others.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Couples' personalities converge over time to make partners more and more similar.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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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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For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
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