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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Wearing red increases attraction.
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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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When dragonflies mate, their tails form a love heart.
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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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The average person will go on a date at least 100 times before they finally marry.
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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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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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