Honestly... I think OP is looking for a quick fix, not a lifestyle change. I lost 25lbs and went from an American pant size 8-10 to 4(-6) gradually over 4-5 years so it was almost painless. No blazing success story for mda front page but I don't mind slow changes. At first from CW healthy (tons of chicken breast, spinach salads with honey mustard, 1 slice of whole wheat bread with pb as my "treat" at the college cafeteria, tons of cardio) to CW low carb (1/2 cup brown rice + 1 slice bread at most a day) to primal (start of law school) to now adding carbs back in to fuel strength workouts. Today I barely resemble the girl who used to eat half an Oreo ice cream cake in one sitting (well...same big appetite just mostly for BBQ/steak/etc).
OP just needs to be a bit hungry and stick with one diet (maybe track calories) to see success. Also if "primal" for OP is tons of primal baked goods, handfuls of nuts, tons of bulletproof coffee and a breakfast, tons of bacon and cheese I can see how that wouldn't help OP lose weight.
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