Jack repeated the Doctor's words in his head and gave himself a moment to believe he'd actually said them. When he'd satisfied himself of that fact, he grabbed him by the arm and pulled him a little out the way.

"Don't you dare say something like that to me," he said, stepping forward, well and truly invading the Doctor's personal space. "Who the hell do you think you are? Mr high and mighty. Don't think about what you want? Sometimes I think that's all I think about. Don't you dare even act like you know a thing about her. You don't, and you will not use her as a tool to guilt trip me! You know sometimes if you told me what it was you wanted instead of pushing and pushing at me things wouldn't have to get that way in the first place!"