Winston found himself unsure how to actually answer the question asked of him. A look of concentration passing over his features as he considered how to word things. "I was just always interested in them, ever since I was at Hogwarts. I did a lot of research and wrote academic papers and books. I traveled a lot of places to learn from all sorts of people, both living and dead." And he would soon be going back to Hogwarts which he felt would be fun. He was going to be teaching the class that he had heavily favoured as a student. "Do you like ghosts?" Winston personally figured this stranger must to be at a Spirit Ball and to seem interested in what he was saying about them.