"I'm afraid we must," said the Lion. "There's no other way."
"And what about Colorland?" asked Dorothy. "What's that like?"
"No one lives in Colorland," said the Scarecrow. "It's just a place to visit for therapy."
"Therapy?" said Dorothy, looking perplexed. "Yes," said the Tin Woodman. "For example, if you're feeling sad, you spend a half-hour in the Yellow Belt."
"Yellow Belt?" Dorothy said, looking puzzled again.
"Yes. You see," said the Lion, "Colorland is divided into seven Color Belts; each is a half mile wide. There's the Red Belt, the Orange Belt, the Yellow Belt, the Green Belt, the Blue Belt, the Indigo Belt, and the Purple Belt."
The Lion could see that Dorothy was still very puzzled. "Let me explain," he said. "You see, each of the seven colors affects you in a different way. For example, the first color we will pass through will be the Red Belt. Now you should never go into the Red Belt feeling angry."
"Why not?" asked Dorothy.
"Well," said the Lion, "you've heard the expression 'so and so makes me see red'?"
Dorothy nodded. "Well, red is associated with anger," said the Lion. "So if you walk through the Red Belt feeling angry or resentful, it will just make you more angry or resentful."