The Toothfairy's Coming Tonight!

Although Nathan has already lost four, the loss of this... one of the "two front teeth"... seems so much more significant. How is it that one tooth instantly changes a little boy into such a big kid? The first teeth are gone, on to new adventures.

"...it is quite impossible to say how time does wear on in the Neverland, where it is calculated by moons and suns, and there are ever so many more of them than on the mainland."
J.M. Barrie, The Adventures of Peter Pan