Does there come a time when a writer is just too old to create? Is it time for Dan and Ezra to hang up their writer's berets and retire to the nearest wine bar?

Links:

Keith Sawyer's essay about creatity and age

https://thereader.mitpress.mit.edu/is-creativity-a-young-persons-game/

Psychologist Dean Keith Simonton's articel in Scientific American on "creative trajectories"

https://www.scientificamerican.com/article/does-creativity-decline-with-age/

"Crystallizec abilities" vs. "processing speed"

https://pmc.ncbi.nlm.nih.gov/articles/PMC4906299/