Biological behavior can be controlled by invisible forces, including thought, as well as it can be controlled by physical molecules like penicillin, a fact that provides the scientific underpinning for pharmaceutical-free energy medicine.
My advice to other disabled people would be, concentrate on things your disability doesn't prevent you doing well, and don't regret the things it interferes with. Don't be disabled in spirit as well as physically.
All physical pleasures arise on the surface of the body and are experienced by the mind through the nervous system. You love the outer pleasures of the senses because you happened to be captured by them first, and then you remained their prisoner. Even as some people get used to jail, so we mortals like the outward pleasures, which shut off the joys from within