Don't apologise for your feelings, it is better to talk (or type). Vent here anytime. I find it hard to talk to people in real life so this is the perfect place for it.
As you're up so early you should become a postman my father was one for 30 years! Now he thinks it is a lie in to sleep till 6!
Your wife clearly thinks you are responsible for everything that is going wrong with her at the moment. I know it is a horrible time but she will burn out soon.
You find things/ reasons that all point to not getting back together. Accept at the moment that you aren't. That is not to say that things can't change for the future. That is why you are doing all this work now, as building blocks for a better relationship in the future. You are already forging a better relationship with your kids, that has to be a plus right?
my father was one for 30 years! Now he thinks it is a lie in to sleep till 6!