Ur new stomach is like an egg. WITH A HOLE AT THE BOTTOM. Liquids will run right through....so will soft things like soups, puddings, jello, hense the term SLIDER FOODS. You are too early to be eating chicken wings and crap like that. At only two weeks out, you should just be getting to solid protein, depending on the surgeon's plans.
Ur pouch is still healing, your nerve endings have been severed, and still have to re grow. You will NOT be able to tell when you are full right now. That sensation will come later. That is why it is so important to MEASURE out your food, and don't overeat!!! Start walking/exercising if you have been cleared to, if you haven't yet, and start creating your new habits now!!! Ur not a failure this early, and just be DETERMINED to NOT FAIL!!!
U can do this! and u should be telling urself that U WILL DO THIS!!! Life can and will get much worse, so prepare for it now by finding other alternatives for dealing, so u don't turn to food. Not only will you sabatoge urself, but you can really hurt urself by eating the wrong thing now. Good luck and be careful.