Mark,
I was diagnosed with CMT at age 26, as of Feb 2008 my MD doctor made me quit. It has been such a stuggle for me emotionally. I have worked full-time since I was 15, and quit at age 44! However, I looked at the sales position I was in, and the physical & mental stress I was under, and also made the decision based on my own, and families well being it would be best for me to take the long term disability provided by my work, and begin to do the things I really enjoy doing now, instead of what I had to do!
Best of Luck to you as well!