There was, and catching it almost had Peter growling again, like somehow something might have happened while he was waiting for her. The humming even more seemed to confirm it--however irrational given he hadn't been waiting very long. That she was thinking about him, humming about him? Never occurred to him.

Not after all he'd done to her, things he still couldn't truly feel sorry for, since they allowed him to be here, but which he knew had...done damage to her in some ways more than physical.

When she was in the room, he stepped forward, reaching to push the door shut with a bang. "Did you have a good day?" His voice was darkly ironic rather than just inquiring.