A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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Raj from the Big Bang Theory is married to Miss India.
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Historically, sweat has been an active ingredient in perfume and love potions.
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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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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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