[The argument grates on him. Arthur using his dad's words. His jaw tightens and to distract himself, he moves reluctantly forward. Rolling up his sleeves, he sits across from the warden. When he's settled, he finally answers.]

No, that's not it. Rex-- It's not about discipline; it's about principles. I'm not my father and I'm not going to be. [Contrary to his words, his voice is getting harsher.] He fucks with us because he can? Whatever. That doesn't mean I'm going to just sink to his damn level. If I hit him, I'm as bad as him. And don't bother telling me that's what you want. I already fucking know.