" A gift to me making me realize what a horrible impact he is having on my children's lives, and that something must change."
And that CHANGE may be what M and when?
How much longer are you going to go back and forth on the matter before you take real action?
I think we have all been telling you for the last year that the current environment is not healthy for your children. I am assuming that he came back home after he packed up on Friday....what do you think your children think and view his packing up and leaving, coming back, packing up and leaving, coming back......
Honestly my dear, how much longer are you going to continue this dance? It's feeling normal now and 'normal' feels ok. That's the problem.