Someday your prince will come," I assure him. "And the first thing I'm going to say to him is, 'What took you so long?
David Levithan (2009). “Boy Meets Boy”, p.98, Knopf Books for Young Readers

Someday your prince will come," I assure him. "And the first thing I'm going to say to him is, 'What took you so long?