The WAS controls the fate of our M's and yet WE cannot control them!!! INCREDIBLE!!!
Only in part - The LBS can choose to exit the marriage if they want to. Many of us don't, but I'm sure that there are plenty of LBSes that just call it quits for an easy life.
Remember - your W can't control YOU. That is the most important thing. While M has legal and perhaps religious significance, we all know that it is mostly a state of mind. My W and I probably felt MORE married before we were legally married, simply because we had a lot more balance and we were working together more.
It sounds like you're way too focused on what your W does, and how it makes you feel - It is understandable. I've been there. You can't control what she does, so don't spend your time worrying about it. You don't want that stress coming through in whatever contact you both have - Too easy to fall back into the habit of pressuring her.