I just started Core on Monday, and I'm having a hard time with the "stop eating when satisfied" part of the plan. Because I don't know what that feels like. I know what hungry feels like, and I know what stuffed feels like. But no in-between.
What I did that really helped me get this was that, at each meal, I'd first measure out what a serving size was supposed to be, then eat that, slowly. (The table manners rule that I was taught as a kid, that once you put a bite in your mouth, you put your fork down, and then don't pick it up again until after you swallow, helps a lot in the "eat slowly" thing.) Then, when I'm done with the serving, I stop and evaluate whether I still need more food. If I think I do, I wait five minutes, evaluate again. If I still feel like I need more food, I go get another half a serving. Repeat. It's kind of fussy and a pain for the first few days, but it really helped me figure out what the different levels of fullness felt like.
My body seems to really like being 155 pounds. Whenever I diet, I can get down to 155 pretty easily, then each additional pound after that is a struggle. I can usually get down to about 147 before I start giving up, then the weight slowly comes back on, to 155. Then I'll go on vacation or something and gain a bunch of weight, then diet, get back to 155 pretty easily, and start the whole thing over again.
Hmm. I need to make dinner for tonight. My plan was a can of lentil soup, but I really don't feel like having that now. I desperately need to go grocery shopping. I had a whole menu planned for this week, but the grocery store didn't have a bunch of the stuff I was planning on cooking. so I'm trying to put together stuff. Maybe I'll stir-fry some frozen veggies, or something. That seems to be about what I've got.