I think this quote relates to the novel because it shows how death and growing up before you die is a central idea in the book. It shows the idea that life is unfair to people, like with all the discrimination, but people can also die and be mature.
Our Presence: The Gift That Really Matters to our Children
KILLSTAR CERTAIN DEATH BACK PATCH - Live like you are going to die! This reaper patch is large and perfect to sew on the back of your favorite denim jacket. The black felt has been embroidered with a reaper and words to live by "Live like you are going to die" and "Because you are"