Go to YouTube and watch Dr. Matthew Weiner's WLS stuff. Lots of really good information - everything from which surgery to choose, diets in various stages, how to maintain. Every surgeon has their own take on how they like to advance diets, and you still have to do what your doctor says, but I found his information to be very helpful when I was in the preop stage, even when I was trying to decide if WLS was an option for me.