There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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The single biggest predictor of love is proximity.
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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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In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
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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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