Then one day I saw him and Cheryl walking downstairs as if it were the most normal thing in the world. She laughed and said they had been doing it for several days--while he still was holding out his paw to me. Sneaky.
Chuck, one of our SEGD coordinators, said recently that guide dogs must be able to distinguish between Stairs-Up and Stairs-Down. If, for example, a blind person is approaching a down set of stairs but mistakenly says Stairs-Up, the guide dog should disobey and actually move in front to stop the person from continuing. Wow. But that type of training starts when Bingo goes to school at SEGD--Cheryl and I just work on the basics, to expose him to situations he will encounter in his career.
He still thinks he can fly, though, so we keep a close watch.