Whatever happened to Jack, DP was there, understanding and forgiving, and carrying with him that comforting smell of home, which always came back, no matter how often Mum washed it off.
-- Jack (Part One: Dur Pig: Chapter 2: Mom and Dad)

Importance: This quote shows how vital DP is to Jack's emotional state even before the separation of his parents. DP is unchanging. Even after he is played with, washed, and dirtied again, he still provides Jack a link to home. He is a reminder of the security Jack feels and explains why he is so excited to show DP off to his friends. For Jack, DP is just as alive as him and deserves to go on the same adventures as Jack himself. This is why it is so devastating for Jack when DP is thrown out of the car window. The loss is a representation of the way Jack's life is no longer stable and DP's absence forces him...