You clearly have a very kind heart!
You are also very wise to do this now, with the things you cite it would indeed just make it harder.
Anger isn't wrong, and it can be healing. I actually have taught myself to never be angry, I transfer it into shame and turn it inward, so my therapist was very excited when at one point I said, "I'm really pissed off with X about Y!"

Keep reading, there is such a wealth of information here. Share with us how it goes if you wish to. If you believe that this is part of God's plan, learn what blessing there is hidden in this. Perhaps the courage you are being forced to show because of this man will give you something wonderful soon. I hope so!