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@eightball776
I think part of your trouble getting over this is seeing it as TMS, because, you are not.
You are doing jaw exercises which have a purpose of "curing" or "fixing" - it is not doing "the work" which is whatever (which usually means home journaling) to get to the source of your inner rage and anger plus other emotions AND practicing what some call "outcome independence" or what Sarno basically said is just doing it.
You eat a steak and your jaw hurts...SO WHAT? It's gonna hurt for awhile, and no matter what, you ate the steak. You don't have to "loosen up" you don't have to anything. NOTHING is expected except that you just do whatever it is you choose to do or eat.
Your jaw clicks: SO WHAT, you move on with your day.
When you meditate it's not to "fix" the jaw, as a matter of fact, what you are doing is SUPER HYPER focusing on the jaw. Meditation is to meditate - it's to separate yourself from the physical focus, and your stressors and just "be". Other people can do this while doing things like running, or playing guitar or whatever they do to zone out of their thinking mind and obsessive thoughts.
"outcome independance" is a breakdown of what Sarno terms as just doing it. You can go at his method whole hog a la Ozanich or you can work more slowly eg. Eat a few cubes of steak, congratulate yourself for attempting it and move on with the rest of your dinner. Next week try 5 cubes.
I think you are stuck in some of the 5 F's - here's an explanation: https://mytmsjourney.com/resources/the-five-f-s-of-tms-mindset-retraining/ (The five 'F's of TMS mindset retraining)