"Be careful with her, Jack," the Doctor said. "She's not as fragile as she looks, but she's a good deal more fragile than she thinks she is."

Which, to the Doctor, made a whole lot of sense. He went below the panel and began ripping out glued-together wirings. The whole thing was a mess, but it was a working mess. A sort-of working mess.

"Go on! Before she starts a fire just to say she can!"