Carl Sia dreads the thought of running dry:

Creativity isn’t something that can be tapped on demand.
Unlike jobs that require a more or less fixed skill set, “getting
creative” just isn’t as simple as the idiom makes it out to be. I fear
that my pen will run dry, starved not of ink but of the thoughts and
passions that fuel it. And this, my good audience, will in turn starve
the erstwhile author, yours truly.

But the world is one of abundance, and life is too rich and wonderful
for us to run out of things to say. There are a million things I want
to write about, and the main thing that frustrates me is that I can’t
find the words to express them as well as I want to. They are there,
dancing just beyond my fingertips, waiting for me to describe them…

Read Carl’s blog post