Something bad that shouldn't have happened
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Someone you have visited or called
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Someone that you shouldn't have met
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Something that you shouldn't have drank last week
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Something that someone shouldn't have done
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A free time activity that you sould have done more often
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A book that you could have read
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Something that you should have done in your last vacation
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Something that you shouldn't have eaten last weekend
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Something that you souldn't have bought
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A place where you shouldn't have gone
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A problem or situation that could have been avoided
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Something that you could have done to avoid your last problem
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