"You did?" Somehow that doesn't surprise him. Charles had known about it, tried to pretend that he understood it, so obviously he had known about it too. Whoever had found out first had passed that information along to others.

"I'll see you tomorrow." The 'before I leave' is left unsaid. She knows what's happening, and if she's not going to believe him when he says he'll be back, then there's nothing he can do about that.