Youth Quotes in Ender's Game

How we cite our quotes: (Chapter.Paragraph)

Quote #10

"You're wrong, Ender. You think you're grown up and tired and jaded with everything, but in your heart you're just as much a kid as I am.” (15.106)

When Val tries to convince Ender to go with her to a colony world, she contrasts two ways of being: “grown up and tired and jaded with everything” vs. “in your heart you’re a kid.” Now, we know Ender isn’t grown up in some ways (see 14.312), but in what ways is he a kid at heart?