I do not believe you will have done any long term damage but of course I say that without seeing you.
The change in sensation can be very challenging and you only have to look around the forum here to see how different people deal with “making changes”.
From other posts I see you seem to be making head way so “stay the course” or “go the distance” and be sure to reinforce positive psychologies and sensations on a daily basis.
I mention in one of the new video that I am having some incredible success with a student overcome Focal Dystonia. The challenges she faces are much deeper than what you are dealing with and the results are somewhat astonishing. More will be revealed as that develops.