Do you sing? You can help your brain with singing. Creates neural pathways. If you cannot read music, listen to music you like and try to sing along. Do not care how you yourself sound. Just try to replicate what you hear. This will have an effect on the rest of your body, even when you cannot see very well.
Massage your own feet. Use a plantar fasccitis foot roller. Works on nerves in feet and legs.
Don't worry about weight. Just concentrate on whatever vegetables you are allowed to have. Try to get some protein every day. Put a bunch of choices in front of you that are good and then choose among them. Feel sorry for the ones you did not choose and choose them next. Try to feel things like wind, air, heat cold textures, smoothness, take time to smell. Close you eyes and describe your surrounding to yourself. Lir down on the other side and in the other direction. Hug something soft. Talk out loud and impress your voice on the world. You have riches.