Teddy came thundering down the stairs, much to his father's annoyance.

"Teddy," he called, "how many more times do I have I to tell you to come downstairs quietly? Now, go back upstairs and come down like a civilized human being."

There was a silence, and Teddy reappeared in the front room.

"That's better," said his father. "Now in the future you will always come downstairs like that."

"OK," said Teddy cheerily. "I slid down the railing!"