“When she did walk, to the bathroom between the chairs and the customers leaning back in them, oblivious to her manoeuvres, the sight felt strangely moving and profound, like a baby, or a veteran getting out of a wheelchair, or a deer in snow. That is perhaps overdoing it. Maybe I didn’t quite know that at the time, but it was striking. If you have not seen a deer in snow, I mean: moving with precision, but as if she might leap away in a completely different direction at any moment.”