Jacob was as clumsy as he dared be, but he was naturally very light on his feet, and, with an unusually correct ear for music, he found blunders difficult. They danced to the end without conversation.

“I do not think,” Sybil said, a little coldly, “that you will need many lessons.”

“On the contrary,” he replied, “I feel that I shall need a great many. I am rather out of breath. May I have a rest?”

“There will be another pupil very shortly,” she warned him.

“Never mind,” he answered. “You can give me a longer time to-morrow.”

She turned towards him with upraised eyebrows.

“To-morrow? Surely you are not thinking of coming every day?”

“Why not? I get so little exercise in London, and wherever one goes, nowadays, there is dancing.”

“But you don’t need the lessons.”

“I need the exercise, and indeed I am much worse than you think I am. That happened to be a very decent tune.”