The taxi dropped them on the roof and they went down to his flat.  It was unstylish and old-fashioned; its one luxury was a live grass lawn in the living room.  Jill stopped in the entrance hail, slipped off her shoes, then stepped bare-footed into the living room and wiggled her toes among the cool green blades.  She sighed. "My, that feels good.  My feet have hurt ever since I entered training."