Knowing that being creativity in any way is good for your health, especially mental health.
Completing a short story, novel, or a script is in itself an achievement and gives you something to work with, something to improve. You need that starting point.
Those extra few minutes that crop up sometimes and you use them to scribble down ideas to work on later. Not only is the extra time useful, so are those extra ideas!
Reading published work you honestly believe isn’t good or is out there because of a celebrity connection.
People misunderstanding what you’re trying to do. Difficult to explain without making yourself sound like, I quote from a chat I had with Adrian, “a pretentious arse”!
Feeling as if you’ll never get to the end of writing a short story, novel and so on.
Not getting any extra minutes to scribble down notes! Or the time you have flies by and you haven’t achieved all you would have liked to have done.