Before he puts the wand away, Matt suddenly thinks of another wish. Quickly he unwraps the wand again and points it at himself. "I wish to be able to shrink
myself anytime I want." Again there's no sensation but Matt is still sure that the wand worked.
Quickly he wraps up the wand again, places it in the drawer and closes it. Matt then starts to head out to check on the shrunken Brett.