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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Kissing an infection-free partner is good for your teeth!
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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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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40% of people who are rejected in romantic love slip into clinical depression.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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