If you have any documented medical treatments or documentation that would fit going back a while historically, that would help. Also, don't know what's current, but in past docs, usu with extra funds or on payment plan, would do you a RFC, forget exactly what that means, something to do with residual functioning. Then, if you have any family, friends, associates, workplace associates who could write attesting to your difficulties, that might help. Be sure to research current practices, tho, and consult attorney, professionals, if helpful. Good luck!