People often ask whether they should use Koenig’s made up words in real life.
He says yes, because all words are made up in the beginning.
He also quotes lexicographer Erin McKean: “Anybody who’s read a children’s book knows that love makes things real. If you love a word, use it—that makes it real. Being in the dictionary is an arbitrary distinction; it doesn’t make a word any more real than any other way. If you love a word, it becomes real.”