Hal couldn't really hear anything that was going on around him - he had made especially sure to seal up his ears properly - but he did glance in the general direction of the girl and saw her apparently yelling towards him for some reason.

Stifling down a sigh, he stopped what he was doing and got back to her, giving her his unimpressed look once again. "Now what's the problem?" He showed her and it worked, didn't it? She had no more reason to complain.