A Gentleman of Leisure by P. G. Wodehouse

The two men turned up the street. They walked in silence. Arthur Mifflin was going over in his mind such outstanding events of the evening as he remembered -- the nervousness, the relief of finding that he was gripping his audience, the growing conviction that he had made good -- while Jimmy seemed to be thinking his own private thoughts. They had gone some distance before either spoke.

"Who is she, Jimmy? " asked Mifflin.