"You don't need a big sister," Lulu said, "you need a friend. I'd much rather be that."

"Okay," Emily muttered shyly. "Only I don't know why. I'm just a kid."

"You know things most adults don't even think of. You care about the same things I do. That's a lot of what a friend really is. And you're strong. I've needed that. And you share your world, and you don't judge it. Those are very grown-up things; and Emily, I can't name one of my so-called friends who have them all."