I am so sorry you have to feel this way. I know what you are going through. I am having major nerve problems in my legs and they are having a hard time finding out what is causing it. The real kicker is I am a runner and I cannot run much now due to the nerve pain. It really has me depressed becuase I love to run. It helps by giving me the time to think about things and work out things in my head while I run. I no longer have that access since I cannot run.
I am how you feel and I wish I had a solution for you. If I find one you will be the first to know