She crossed her arms, not out of irritation, but an unconscious desire to shield herself from the Doctor's disapproval. Not any Doctor, she'd seen so many they didn't matter. Hers.

"I can do good for them. That Doctor needs me...he's so broken and shattered, if you're leaving me somewhere, I can do the most good there. Jack and Ianto've got their Torchwoods in order, and Donna'll understand."