He... lifts his eyebrows at Zerxus before he's abruptly cut off, looking briefly and mildly apologetic.

Then back to pretty boy satan. "Am I supposed to keep talking, or is it your turn now? I'm done again."

He... isn't particularly bothered. Actually he is. In a specific, still annoyed as all get out, mouthing off way that at least has him not being particularly intimidated. That Zerxus just got cut off that abruptly and effectively says something, and a lot of it, though what exactly Steve isn't sure.

Does he think that highly of himself? Currently, he just might, if only because he's that pissed off, in a pretty shallow way that almost always leads to him mouthing off in some capacity.