The blind stays down until six. That is the whole of the statement and the whole school understands it without being told, and by seven there is a queue at the rota board.

HalvardTwenty-two people have asked me this morning whether the corridor code permits a guest. Twenty-two. In four years nobody has ever asked me anything about the corridor code.

TamsinWhat did you tell them?

HalvardThat it does permit a guest and that I am not going to be the man who decides which guests. That is a decision for the Tower and the Tower will take eleven years to make it.