Knocking the coat stand over had been an accident, one that he righted quickly as he looked over and nodded. "Acid. Hi. That's different, but I guess we all deal with things different." It probably said something too that she could remember such a thing; he was awful in remembering things of historical nature.
Once it was fixed, he moved closer and before sitting he said, "It's fine. You stay put." He tried a smile, scratching at the back of his neck while he donned a worried expression. "Do you want me to get you anything? Water, maybe?"