I don't remember anything about an "extended metaphor," but the poem's main focus is to remind herself that while she loves the earthly comforts of her house and all her material things... it is important to not over-love them and instead think of all the spiritual rewards that are awaiting her in heaven.
The answer is b jealous and mean because he was jealous of slue foot sue or whatever her name was because she pecos bill paid more attention to her than he did the horse, and the horse thinks sue will take pecos away from him.
Answer:
He said that he was waiting for me.