He watched the newly arrived commuters as they stepped into the carriage, pushed their way down the tube, the odours from their damp clothes mingling, giving off varying degrees of mustiness: London grime, or smoke from airless offices. A woman wearing a blue swing coat glanced along the carriage, casting around for an empty seat. Her pale skin, the searching green eyes, reminded him of Emma. Briefly, he felt his breath catch; he stood, clambered back over his neighbour and indicated for her to take his seat. And so his mind stayed with Emma when he knew he should be working out a strategy for telling Dorothy of his news. But Emma was never far away; like the glitter balls in dance halls, she would slowly rotate in his memory, different facets reappearing, as the hues changed in her auburn hair.