"What exactly did he say?" Because he was getting the impression that Nida was much like himself and if there's even the slightest inkling of interpretation going on? He's going to assume the worst. Which, quite often, wasn't necessarily the case. Try convincing them while in the pit of one of these moods, though.

"It matters 'cause you're pretty upset about all this." He sighs, at first shaking his head then lashing out with a dismissive gesture that's almost threatening but stops far short of actually following through with the threat of a whack upside the head. "You're not a SeeD here, and you don't gotta act like one. SeeD doesn't matter here. Nida matters here." They matter here. As who they are. Not what Garden built them to be.