im very glad to know ur making some progress with the food intake.
and like everything else it takes a little bit of time to gradually adjust to new changes.. try to eat simple food that is not too heavy on ur stomach to digest, things that doesnt have much spices ,fried things. also try to limit ur intake of red meat that also is hard on the stomach to digest, if you love red meat then introduce it to ur body gradually until it adjusts to it. steamed food,try cereals,mash potatotes,veggies, soups,chicken,jello...(things that were more or less the menu in the hospital)
also try eating smaller portions, and brake it down in to more than 3 times a day. i think that will reduce the bloating and the upset stomach feeling.
i personally deal with an upset stomach as well, and what it seems to work best for me is jello,antiacid, maalox total relief Maalox® | It's a Relief to Enjoy Life
it seems to do the trick!!
hope it helps!!
if ur stomach is still upset after a couple of weeks, i would recomend to consult a nutricionist. they might give you a better insight about it.