One has to devote oneself to a particular pursuit. To be successful at anything, you have to make a total commitment to it.
There exists only the present instant... a Now which always and without end is itself new. There is no yesterday nor any tomorrow, but only Now, as it was a thousand years ago and as it will be a thousand years hence.
Stand-up keeps you alive. It is definitely the most specialized field in comedy because you need to stay sharp and well-tuned every night.