The goal is supposed to be to learn to be satisfied with a normal amount.  Not always.  Sometimes you need to eat a significantly less than normal amount before you have to learn how to be satisfied with a normal amount.  Remember the whole calories in/calories out thing.  Eating a normal amount for your ideal body mass will result in only a slight weight loss for someone who is pretty close to being a normal human (obviously it's going to make a huge difference for an obeast, but that's a different case).