You repeat things because they're like your personal obsessions
A nice blend of prediction and surprise seem to be at the heart of the best art.
I'm really a very weak musicologist. Wish it weren't so, but there's only so much you can dig deeply into in one lifetime, as if you hadn't noticed.
Composition has almost always been solitary.
As human beings we do change, grow, adapt, perhaps even learn and become wiser.
It's best to incorporate a broadly eclectic point of view, and let whatever moves you be your inspiration.