Hi waltersmouse!
Welcome!
You have a special situation being wheelchair bound, but you can do all kinds of weights and you can get moving in your chair as well. We have a friend who wins every 5K and 10K... in his wheelchair. He is SO FAST! Also, we go see the wheelchair basketball games. Those guys are fantastic athletes, and they are in great shape, too!
Richard Simmons has a video where all the moves are seated ones. Your library probably has it.
Great idea joining the fitness center. Be sure that the trainers show you all the exercises you can do. I think you will be surprised how many there are!
We all struggle with the food thing! Cravings usually mean that you aren't eating enough of the good and nutritious foods. Try eating more protein and more fiber. Both will fill you up and satisfy you more than empty calories (sugar and white flour).
Glad to have you with us!
Cheryl