When Pennyworth saw Bruce in the Batcave, he cleared his throat and recited; "There was a young lady, Miss Kyle. Who could not stay but a while. She had her fun. But she had to run. And she did so with much style."

Bruce turned to look at him. "What?"

"Miss Kyle had to leave, with regrets." Alfred explained. "Oh. Why didn't you just say so?" Bruce replied.