Your story must reflect change over time. A story cannot simply be a series of remarkable events. You must start out as one version of yourself and end as something new. The

In a sense, stories are about change. And the measuring stick that tells us who succeeds and who doesn’t is seen in the ability to change.

all main characters should have compelling and complete character arcs, but whose is the biggest? Who has the furthest to go? Who has the most to gain from being the hero of this novel? And who is the most resistant to the change?