Daniel looks up, and it looks like he was going to murder him straight in the middle of the Mexican restaurant. "John, stop." Knowing that he shouldn't have brought it up feeling slightly worse, he keeps to himself. "Look, if you don't bring that up again -ever- I will try to get along with you." Johnny thinks to himself for a moment. In real truth, he didn't want to talk about it either but not talking about it could make their rivalry worse, which could affect the kids. But if avoiding that conversation was going to solve some things, maybe it was worth it.