The beauty of this website is that we can all relate to what you are saying. Somehow, it comforted me to read other's talk about the complete change in the person they loved and also, even though we could see this change as being real, how difficult it was to actually accept this new reality.
It's not fair....you have children and are not given the chance to be involved much in parenting them...all this loss, loss of spouse, of family of time with our children destroying what was once a good life, one that we enjoyed and loved.
Yet, we must move beyond but we are also allowed to grieve what we lost...for as long as that takes.
I used to think that if they could change so drastically and so suddenly into this new persona, that they could also change back...I did not think it could be "permanent" so there was always hope for the person he was to return. Eventually I was able to accept that this is who he is now and in my case, am fortunate that we remain in contact and can have family time together.
The healing for me came when it was recognized that I was suffering from "trauma"..our whole lives were blown apart and we did not get any say in any of it...so it is reasonable to look at PTSD as a possibility of the awful feelings that we have as much as we try to move forward.
A therapist that specializes in treating trauma is what I needed to become "unstuck" and to feel joy again...for many years I knew what joy was but could not feel it.
Continue to share your thoughts and feelings here..in this strange cyber world, you are among friends.