I'm hoping it is just grasping at straws and gravity will bring him down to reality. But, it scares me. And his influencing the kids scares me because I think that mentality is so dangerous.
While we are talking on this. What actually scares me about my W is that to an outsider, she seems perfectly normal and absolutely in control. Robx is right that she knows what she is doing. Right now she seems to be in the mode of get seperated and do it as quickly as possible. Nothing is going to stop her.
They have to do it as quickly as possible, there is a sense of urgency with this, make no mistake about it. The quicker that this is done, there is less time available for people to say things to make them doubt their actions, people like you, parents, friends, co-workers, themselves, etc. Take into account that while all of this is happening, she is feeling guilty but there isn't enough guilt for her to stop doing any of this or maybe the flipside is true, she feels so guilty that she has to leave because of the pain & trouble she is causing you & your family.
Oh, in my case, H just bailed. I will probably have to file something so that I can get a certain amount and move into my own place and have a clear idea of what my financial situation is. So, he's not rushing to divorce. I think he would prefer to be married and do his thing...less to deal with.