That's still CONTROL on your part. You can't control what she does which, in effect, will affect your kids. Essentially you're saying that you're going to hold the kids hostage if you feel that she's doing something that YOU don't feel is right.
That was one of the things that drove her away in the first place. I'm not saying to not establish rules, but you can compromise with her on that.
"Mr Bond, you are saying similar things but on the Easter outing are advising me to go."
You had already invited her so there's no sense to go back on that. Since you're going out, you might as well make it the best experience you can and slowly introduce her to the new and improved you.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.