Things will be fine! Telling the kids, not so much fun, but I think they will be ok, too. I think in the end they will appreciate it, actually. I think both of us will be happier, and that has to be good for them.
I have been getting better at not cluttering. I could have the bedroom looking pretty good in minutes, rather than hours!
I won't miss the eggshells! I think you are right. She was treating me like a step-mom might. A not nice step-mom!