The Doctor hesitated for a moment, teetering between interfering and shrinking back in his seat as if he wasn't there.
Interfering won. Well, he was the Doctor. Interfering was what he did.
He leaned forward and said, his voice harsh and strained, "Please, Romana - leave it. He got it done with no lasting harm to anyone, and Jack and I are extremely grateful to him for that. And both of you: no-one's going to come out of this not in one piece. We've just got to work out how, before we go and confront His Evilness."