Then he opens his gallery, the photos he took at Trinity: sees her on the step of the haunted red-brick, beneath the college clock, at the site of his accident. In these pictures she is the girl he knows again – scowling, tenebrous, a furious concentration of self-abnegating energy. He wonders if that version of her will disappear entirely now, replaced by the eternally smiling girl from Facebook; if he will look at this picture not so very far from now and think, That was a million years ago.

