That it doesn't bother her is odd, and it makes him feel two separate things; one is suspicion, because he doesn't know what Angela could want from him to attempt to put him at ease despite his poor behavior (anyone reasonable would at least be unimpressed with him), and relief, because if she's this blase about it, it means it'll be easier to disengage.

"Not today." Amiable. He tilts his head. He's just quiet, Angela. "Enjoying yourself?"