Parent's love for thier childs is great and unconditional you're very lucky to have parents like them, but I think your parents are lucky also to have you because despite on your condition your doing your best to provide your own medical needs. Salute to you sir...
The only way I can do to help is pray sir, so I will pray for your health to get better and strenght for your parents who's always at your side assisting you.. get well soon sir..