“You can live for a long time inside the shell you were born in. But one day it'll become too small.""Then what?" I ask."Well, then you'll have to find a larger shell to live in."I consider this for a moment. "What if it's too small but you still want to live there?"She sighs. "Gracious, child, what a question. I suppose you'll either have to be brave and find a new home or you'll have to live inside a broken shell.”