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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The average person will go on a date at least 100 times before they finally marry.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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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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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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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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