In the heat of the moment, I think a lot of us go to the self-blaming zone, probably because it's easier on the psyche than admitting to ourselves that we share the planet with such asshats. You are not the one who behaved badly here; to the contrary, you were very human and forgiving in a stressful situation. But now you need to nail that sucker!

I've been struggling with some rage issues lately. You want I should rough him up for you? Please forward his contact info.