hypothyroidism, endometriosis, fibromyalgia

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Unfortunately I have all of these and can not seem to loose weight. It is also not helpful to be in pain almost everyday or nauseated. I mostly ignore it and still try, but lately the biggest thing is no energy or weakness and I'm so tired. I need to loose one hundred pounds but need help. I can try to ignore and try hard but to nothing budges. I need success stories or diets that have worked for these problems. Or any advice for that matter. I refuse to stop trying but I need help. Oh and the hormones make me craves sweets and want to eat. I've been replacing snacks with protein shakes. But idk what else to do. Also people tell me to keep trying to run. I know it's different for everyone but please advice.