You can expect to have a lot of emotions in the coming months. No one gets through a divorce without a lot of tears, anger, regret, etc.
The best thing you can do to get away from being angry until you see your psychiatrist is to focus on the future. Put all that angry energy into figuring out how your life will be afterwards. There's no sense in focusing on what you don't have now. Put your focus on how you will arrange things better when you are alone so that you are more financially stable, and can live the life you have envisioned.