"No, wait!" You back away from her. "Please, I just meant I don't want this to be temporary. You made me a kid again, and I reall like that! Please, let me stay like this!"
She gives you a funny look, and then grins. "OK, litle boy." She giggles. "Such a bright little boy, too. Maybe too smart. You're all grown up inside, still, and that means you aren't really a little boy. Yet." She pulls out some powder and moves closer to you.