Two in five people in the world marry their first love.
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You burn 26 calories in a one minute kiss.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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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.
26
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81