Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Kissing an infection-free partner is good for your teeth!
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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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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Couples' personalities converge over time to make partners more and more similar.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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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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