Look up at him and shout with excitement that you remember it all so well now.
From Create Your Own Story
Dumbledore beams. “That’s good to hear! Now, are you sure you’re ready to settle into Hogwarts? This is a big step from being a muggle.” He looks at you expectantly, hoping that you'll do what's best for you.
Say that you’re up for the challenge
Flail a finger up at him and walk away