U-turn,
There is no "right" answer on the ring. Some things to think about:

- you said yourself, you don't want to appear petty or manipulative by taking it off. If you are taking it off to try to solicit a reaction from your W, you are doing it for the wrong reason.

- if you take it off, and she notices, will she think that you have thrown in the towel, and therefore it is ok for her to do whatever she is doing, because you don't consider yourself married anymore? You can't possibly mind read.

- what will not wearing your ring broadcast to others around you? Is that something you want to say?

Rings are symbolic, and very personal. In the big scheme of DB, they're small stuff. Taking off your ring is not going to assert a boundary. Taking off your ring is not going to turn your W around. Taking off your ring is not a major step in your master plan to make yourself into the person you need to be coming out of this ordeal. -- at least IMHO. Focus on something more worthy of your time.

I wear mine. I'm married until I'm not, and that's the message I wish to convey to W and everyone else.