Theodore hadn't invited Tracey over, because he hadn't quite known how to. They hadn't been dating long; telling her that a friend of his wanted to meet her seemed... strange. He would figure out how to go about doing that later.
He heard the bell, and moved to answer it, smiling when he saw Zach on the other side. The top hat didn't surprise him, considering his friend's journal entry yesterday, but it still made him laugh. "Nice hat," he said, stepping aside to let his friend in. "Come in."