I completely understand where you're coming from. I got sleeved on 4/11/12 so I'm only a week and a half out, but I've already had some feelings of regret and a little anger. Not so much at others but at myself. I was asking myself why did I do this to myself, how did I let it get so far that I had to resort to surgery, etc...
I have dealt with these issues in the past, and in my mind I know that this is temporary. In time I will be eating normal (nutritious) food again, just in smaller quantities. Thats the rational side of me. The irrational side is the one that starts all the trouble. I guess it's just a matter of keeping everything in perspective.
And I'm not going to lie, on very rare occasions, I plan to eat something really yummy and not good for me, just in a very small portion...