Welcome untruth! I am glad to see the talented leave the WT, even if it a protracted process
Your situation looks bad, but it could be worse.
What about other family members? brothers, parents? are they in?
Based on many stories I've read here, I think you should pretend to continue to have an unwavering faith in Jehovah and his promises, even if you are moving in the direction of dumping religion altogether. Keep the Bible and God sacred and above anything else, even if you no longer believe that they are. Your wife needs a gradual and slow transition.