Never lift again?? He's saying that it cannot heal with time? That whatever injury you have is a permanent one? Maybe it's time to get a second opinion.
What ever you decide, be sure you are honest with the clients you do obtain. Let them no precisly what your plans are and possibly have someone lined up and ready to take over once you leave. You...
If you post online after you failed the exam, it tells everyone that you are angry and want to vent your frustration, possibly deter others from taking the exam by using some hot words like 'scam'...