Ready to lose this weight for good

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Hello, My name is Mona and Im from Pearisburg Va. I am 39, mother of 3 and proud grandmother to 3 year old little girl. I have been overweight all my life. However, I was always active and the weight never got me down. About 5 years ago i was diagnosed with fibromyalgia and my health has went down from there. I cant walk but a few minutes without sitting down. I am ready to get rid of all of this weight for good. I have a long way to go, my goal is to lose 200 lbs.