From Night Windows by Jonathan Smith

This time he followed his feet up Peter’s Hill into St Paul’s Cathedral. It was not his body. He was watching it go up the wide west steps of St Paul’s and paying his entrance fee and refusing the offer of the audio headphone guide and letting someone else do the walking down the nave and looking up at the Whispering Gallery, and all this without giving in to his internal policeman who was getting into his ear with his oh come on, Patrick,