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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You burn 26 calories in a one minute kiss.
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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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Couples' personalities converge over time to make partners more and more similar.
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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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The left ear is more responsive to words of love and emotion whispered into it than the right.
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Men fall in love faster than women do.
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