From personal experience, having 2 kids who are now 10 and 3 (son was 6 when he left and my daughter wasn't born) to a person who was/is suffering from some kind of mental breakdown, the effect on my son has been huge. He has suffered mentally from the fallout. My daughter doesn't know any different and never will and is a truly happy little girl. I wish I could say the same for my son.
I really worry about him.
I realise I can't make my ex get help, but I really wish he would. I worry that my son will head in the same direction as my ex and I'd love to have an understanding of what I'm dealing with to help my son.
I'm not so bothered anymore about getting help for my ex to help him. I suppose I would have more empathy if I had something concrete to understand his antics, but the damage is done and I'm not getting involved anymore. Well, I can't since he married OW. If he came to me directly and asked for help, I'm sure I might try and help in some way.
I have this nagging memory that replays over in my head of my ex crying while we're on our last trip together before he walked out. My son had given up on trying to ice skate. He walked off in a huff saying he was rubbish. It was the first time he's ever skated. I was just impressed he stayed on his feet and managed to let go of the sides for a few minutes.
Anyway, my ex started crying as I encouraged our son back on to the ice. When I got back to my ex, I asked him why he was crying and he said 'he's going to end up like me. I hope he turns out like you'.
The point being, he can protest as much as he wants that he's fine, but he knows deep down there's something deeply troubled about him.
We both have similar FOO issues. I can't imagine that's why we stayed together, but I know I enabled his own behaviour and it's something I'm working on myself, so I don't end up trying to 'save' another man. In my defence, I was very young when we met and hadn't had any long term relationships before him, so I do cut myself a little slack.