Read the following context and answer the question.
Context: ) I recall looking at the smile drain from my girlfriend 's face when I told her , " My favorite 's Charlotte . " She was aghast that I knew the characters ' names and , even more , that I had picked a favorite . ( Of course , I doubt she knows Charlotte 's my favorite not because I empathize with her , but simply because Kristin Davis is hot . )
Question: Why was his friend surprised ?
Answer:


Because he knew all of the people , who they were , and had a preference for one .