The CAD book tells you not to eat if you are not hungry. For example they advocate not eating breakfast if you are not hungry. That goes against what you hear in WW and everywhere but I am one of the people who is never hungry at "breakfast" time but I force myself to eat because that is what we are "supposed" to do and then I find that the act of eating makes me hungry. Then I spend the rest of the day eating. Well no more! I took CAD advice and I don't eat until I am hungry. Maybe I am an oddball but when I truly wait until I am hungry to eat I am simply not hungry until around noon or so.