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 | Science has proven that cunning babys manipulate their mothers to make them smile. | |
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| Perhaps helpless babies have learned that when mom smiles, she treats them better than when she frowns......Maybe they smile hoping that she will also smile. | |
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| I think they are being sneaky. | |
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| Or maybe just hoping mom is in a good mood. | |
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| What is the purpose of this study? | |
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| To get money for doing it. | |
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