WHY DIDNT THIS WORK FOR ME ?

I don't know what to do - i started out at 329 on 3/16/01 and i am still at 239 - why can't I lose more weight - why can I eat ANYTHING ! Why don't I feel full ?? I wanted to be at 150 - Can I take diet pills ??? HELP !!! I am VERY depressed about this ....thank you

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