Now Billy can see the world in a human way and (though not completely) in a Tralfamadorian way too. This means it is not easy to tell if he ever exercises free will, because humans may say yes, while Tralfamadorians may say no. The Tralfamadorians would probably always deny that he could or would have ever used free will because it is non-existent. A human that understands their theory of time and why they think that free will is impossible, like Billy, can make his mind up about it and will maybe decide that he actually did use free will at some point in his life or maybe he will decide that he did
