Jojo is very good at being a kid and being a Thinker, and the Cat is very good at helping with that. But being good at Thinking doesn't mean it's going to be easy for Jojo to grow up. (A hard look at what could happen when Jojo hits puberty. Dark fic, but relatively canon and with a happyish ending.)

Let's run away from the circus, she said. We'll see the world. And they did.