It gets you nowhere if the other person's tail is only just in sight for the second half of the conversation.
A. A. MilneWhen you wake up in the morning, Pooh," said Piglet at last, "what's the first thing you say to yourself?" "What's for breakfast?" said Pooh. "What do you say, Piglet?" "I say, I wonder what's going to happen exciting today?" said Piglet. Pooh nodded thoughtfully. "It's the same thing," he said.
A. A. Milne