Once, when we were children, I thought to play a delightful trick on him. Each day, I’d move something in his room at night. I planned to blame ghosts. Except my brother didn’t mention the moved objects until I pulled his dresser into the middle of the room, and he banged into it in the night. While he had noticed items had moved, until they inconvenienced him, he presumed some logical cause and carried on. Hugh joked that even if Duncan had discovered it was ghosts, he would only have processed the information and carried on, so long as they did not cause him any trouble.”