For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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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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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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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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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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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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