Wanting, even with all your heart, to lose weight does not make it happen, as anyone with a stubborn weight problem knows. Hopefully, it won't take you 20 years to learn what I learned. You can learn it from me!
Diets and dieting are not the solution to your stubborn weight problem. They are among the main causes. Learning how to eat well habitually, in a way that is more enjoyable than what you do now, is the solution -- and it is not just a matter of "willing" it.
I believe it's important for patients to know what to expect in a typical cognitive behavior therapy session, not only so they can assess the treatment they're receiving, but also so they're prepared for therapy and understand and agree with how treatment typically proceeds.