Gravity deserted her; she burst into laughter,... and said: "Oh, dear, did you ever set eyes on such a flat-sided screw?"
"No--or on a lady with a better seat. The combination is quite shocking! Will you let me mount you while you are in town?"
... "...you must know I couldn't permit you to mount me!"
"I suppose you couldn't" he admitted. "I hate to see you so unworthily mounted, though."
Look at the answer?