I think the answer is acceptance
Explanation: This means that there is always something positive, and something negative in a situation. There is always a silver lining on every grey cloud. A situation is bad if you look at it negatively, but it will be better once you look at it from a positive perspective.
Repetitious or Drab, Hope this helps!
On the other hand, one could certainly make the argument that these characters are static, meaning that they remain relatively unchanged in any significant way in the story.