Kids might be more satisfied if they get one good treat instead of one good treat and one lesser treat. iStockphoto.com hide caption

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Why Are Kids Who Get Less Candy Happier On Halloween?
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What happens when the average person on the street tries to explain a public policy issue? It tends to make them rethink their position. Scott Olson/Getty Images hide caption

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You Can't See It, But You'll Be A Different Person In 10 Years
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People who are interested in and paying close attention to each other begin to speak more alike, a psychologist says. iStockphoto.com hide caption

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To Predict Dating Success, The Secret's In The Pronouns
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