 It became focused on the psychology of the characters, particularly Conrad.I wanted to explore the anatomy of depression — how it works and why it happens to people; how you can go from being down but able to handle it, to being so down that you don’t even want to handle it, and then taking a radical step with your life — trying to commit suicide — and failing at that, coming back to the world and having to "act normal" when, in fact, you have been "forever changed".Guest did not have an agent initially.