I have not had surgery yet but in the process of losing weight pre-surgery. It's all in the mindset. I used to "live to eat" but now I only "eat to live". "Live to eat" means I couldn't wait until the next meal, or next snack. I've been working on switching my thoughts to not making food the big ritual it was. It's now like putting gas in my car. My body needs nutrition and I give it that but my focus now is on other parts of my life. I hope that's helpful.