Take for example the African jungle the home of the cheetah. On whom does the cheetah prey? The old the sick the wounded the weak the very young but never the strong. Lesson: If you would not be prey you had better be strong.
So the poet who wants to be something that he cannot be and is a failure in plain life makes up fictitious versions of his predicament that are interesting even to other persons because nobody is a perfect automobile salesman.