In your situation a long slow fade is an option.
That way you get to have your cake and eat it too.
I did it like sparrow did above.
If a situation develops where you"stumbled" (even if you really arent) that works to diffuse attention from you slowing down by giving you a kinda/sorta "reason".
Another effective "reason" amongst the health superstitious JWs, is to develop an "itis" or an "algia" - a slightly mysterious illness that cannot be refuted or denied and which makes any criticizer look "unloving and gossipy" a big fear for the average JW (they dont mind BEING unloving and gossipy - they just fear looking like they are).
So arthritis, fibromyalgia etc are great in that regard. The newest rage seems to be allergies....
I know a sister who is fading and getting sympathy because she is allergic to lights. Yep! Lights.
Apparently the lights in the ceiling at the Kingdom Hall give her a headache and make her "feel like she might have a seizure" .
This woman is 65 and never had a seizure in her life mind you. She also goes to shopping centers, restaurants and movie theaters which dont seem to bring on headaches or seizures.
So she has everyone where she wants them. If they criticize or second guess her medical condition (self diagnosed by the way) THEY are breaking the "rules" of the group by appearing judgey.
The elders dont want to sort it out so they stand down also.
Anyway, you get the idea. Use their own superstitions and unwritten by laws to benefit yourself.