Normal? Not sure. But I recognize every ounce of that fury.
Know what I tell my kids? Feelings are feelings are feelings. Thet're neither right nor wrong. What you do with them, how you express or act on them, that is where the right or wrong comes in.
I've written multiple letters to AXH telling him exactly how much scum I think he is. Because it helps me to write them. I never send them. Because that wouldn't help anyone.