And, as Vickie's husband says, and we remind ourselves over and over, "It's a marathon, not a sprint."
I agree with what the other have told you. The kind of losses you're having now are the kind that are going to stick with you. The core plan is beautiful, because it's an eating style you can keep for the rest of your life. It follows the new food pyramid beautifully, and it's sensible eating at its best.
Congratulations on your success so far, and welcome! Join us on the Core chat board.
Angela