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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Men who kiss their wives in the morning live five years longer than those who don't.
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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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Kissing an infection-free partner is good for your teeth!
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In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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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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