You repeat things because they're like your personal obsessions
It's best to incorporate a broadly eclectic point of view, and let whatever moves you be your inspiration.
A nice blend of prediction and surprise seem to be at the heart of the best art.
As human beings we do change, grow, adapt, perhaps even learn and become wiser.
What is full of redundancy or formula is predictably boring. What is free of all structure or discipline is randomly boring. In between lies art.
Composition has almost always been solitary.