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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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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Historically, sweat has been an active ingredient in perfume and love potions.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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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.
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