Everyone is entitled to do what works for them, but the thought of making someone write hundreds of pages on a resentment makes me cringe. Its just not necessary. It may work for some, but it probably would send a lot of us back out there. A 4th step can be effectively written on a few sheets of loose leaf. Some people will have more, some will have less. BUt to spend months and months on the process is silly IMO.
If you are feeling the need to move on, take that as a sign. If you were comfortable where you are it would be a different story, but if you feel that you need more immediate relief, find someone who has worked all the steps and can get you through them quickly.
Best wishes!