we are all rooting for you goq!
try starting each evening, preparing a huge saled for the following day. this way you can have with all your meals.
have a variety of fruits onhand, rice cakes, cottage cheese.yogurt. (for snacks) these will pull you over till the main meal.
you can buy take out chicken and freeze them and just warm up what you need.
tuna is a gr8 protein.
soups also will fill you. chop up healthy vegies, zuchinni, sweet pot. butternut squash, carrots, onions, dill, and cook a couple hrs.
the idea with exercise like what was said, a little every day. and build up to more. start slowly.
lots of hatzlocha!