Peter was, simply, what a person would look like if you boiled down the most raw emotions and filtered them of any social contract. If you hurt, cry. If you rage, strike out. If you hope, get ready for a disappointment.
Conflict is the alchemical soup that transforms raw emotion and instinct into pure gold.
There is no such thing as privacy between a deity and his worshipper. There are no secrets, no glossed-over failures. Only promises kept and abandoned, sins committed and imagined, and raw emotion. How many of us are ready to have our lives judged? What would happen if we were found wanting?
When you start directing movies at the age of 24, you're just a kid, you don't necessarily even have the experiences to add to the story, you're working off of instinct and raw emotions and raw talent, and hopefully it's the same trajectory as growing as a person.