i need to lose 20 lbs......i try to work out, but am always hungry, i crave carbs mostly, i never want fruit or veg, ive tried EVERY diet u can think of, I even stop and start my prozac all the time to help diminish my appitte...that never works, HELP!!!! i tried coffee after not drinkin it after 15 years to help rev up my metabolism but i only add FF half n half that adds up to more cals but I need energy or Ill sleep all day????