Mmm. I doubt I'd be as annoyed if it was less of a surprise.

[he'd still be annoyed, but not as much as when it first started, and perhaps he'd be in a slightly better mood towards those who seemed genuinely concerned.

He takes a deep breath and lets it out slowly, and tries to let his remaining anger out along with it] Still . . . thank you for your concern. [only a little awkwardly, more in the sense that he doesn't do this often] Is there somewhere - ah, safer? Or - ah, less crowded, maybe.