'I suppose that fit communicated itself to his colleague who was, er, working on you. Nigh-identical cortical structures you see - almost bound to cause psychic feedback in a confined space.'

'Obvious really,' Fitz said, ironically.

'Oh, was it? I thought it was rather clever!' The Doctor looked downhearted, and Fitz felt he had kicked a puppy before the Doctor winked at him to show it was all a joke.