Other people might not think this is a big deal, but to me it is.
What's been eating at you?
Every time he says something I get angry. It just keeps happening.
Over time even things we consider small problems can end up being a big deal. Just being able to say them out loud and get them off your chest can help you deal with them and get better. The next step is to figure out why it is that you're getting angry and talk to him about it.
I don't want to talk about it with him! I just want to get mad and upset.
If you *want* to get mad, then why are you complaining about being mad? Sounds like you want to do something about it.