Q can't help a look of dismay crossing his face when he sees Severus. Perhaps he should offer to come back another time. He does his best to smile. "Good morning Severus. Or would you prefer I call you Professor Snape?" He enters the flat. "No, I've been in London looking for books and working on that report you asked me to do." He has to bite his tongue to keep from asking how Severus is feeling. "Where did you go?," he asks politely, pulling a pouch from his pocket.