She just walked away from her children and she thinks it's okay as long as she "still loves" them. You will really have your plate full with the fall-out at home. So much self-centeredness it seems she can't see beyond her nose.
I'm certainly no expert on MLC. However, based on what you've told us, it sure sounds like it. Not all WAW's want to take the kids with them, but from what I've read...it seems that the majority do--and in spite of having an A, they will fight the LBH for their kids! But if she's in MLC...well, she summed it up when she went out the door on her way "to see the world". Perhaps that is a difference between WAW & MLC.....I just don't know.
Have you read any of the threads over on MLC?
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!