Not being able to see in the dark, like not being able to see ghosts, is another clue that Bod is outgrowing his Freedom of the Graveyard. And along with this, Bod and Silas’s relationship shifts as well. Now, Silas is more willing to let Bod in on how Silas lives his life, as he no longer has to maintain a sense of separation or authority. He can now treat Bod as more of an equal, since Bod is, in Silas’s eyes, a fellow adult.