Theme of Absurdity in Slaughterhouse-5

The Absurdity of Free Will
While living in Tralfamadore and learning about the inhabitants' way of thinking, Billy Pilgrim sees that the aliens believe that nothing can be changed and that free will is a ridiculous idea. Billy comes to understand their reasoning, which eases his guilt, yet takes away his emotions. Through taking away the pain and tragedy of war, Billy looses his humanity. The Tralfamadorians, an alien race who abducted Billy on the night of his daughter's wedding, taught him that the human concept of free will was strange and unique: " 'If I hadn't spent so much time st…