Negligence

"It's funny how......"
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-9-9-9-999999-|
-9-9-9-999999-|
-7-7-7-777777-|
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"..Best friends..."
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-7-7-777777-|
-7-7-777777-|
-5-5-555555-|
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"...Can become enemies........over night......"
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-5-5555------------------    -5-55/9-99999-|     
-5-5555--5-555555--------    -5-55/9-99999-|     
-3-3333--5-555555--------    -3-33/7-77777-|     
---------3-333333--------    E|--E|------------|