I understand how you feel kev, after all these years I do understand. I just wrote in another post how who I was at my job is gone. it's not all gone, I fight to keep who I was alive, but some days I just flop on the couch in surrender and then fight on the next day.
I DID get progressively worse for 18 months during my first injury and then made a remarkable recovery. the second injury not so much. but the point is things can get worse for a while before they get better. each brain and each injury is different. keep hope alive.