You do not become a critic until it has been completely established to your own satisfaction that you cannot be a poet.
“Sci-fi fans are the most loyal fans on the planet - there's no doubt about it. I've done a few of those conventions, and these people will know the lines!”
“It's commonly said that people who've been ill in childhood and who've had an upset education never really regret that they do. It means that you don't look at the world in the way that other people do, and if you were inclined to be a writer, that's a help.”