"Ha! Hum!" said Dr. Possum, again looking very wise. "You need a change of air! You must travel about. Go on a journey, get out and see strange birds, and pick the pretty flowers. You don't get exercise enough." "Exercise enough!" cried Uncle Wiggily. "Why, my goodness me sakes alive and a bunch of lilacs! Don't I play checkers almost every night with Grandfather Goosey Gander?" But the old rabbit gentleman took the doctor's advice -- and what did he do first but leap right into a bear's den of dangers!