One in five long-term love relationships began with one or both partners being involved with others.
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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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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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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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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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