Re-read  “Jealous Husband Returns in Form of a Parrot” to find whether there is  trustworthy evidence that the wife was, in fact, cheating.  Also, look  closely at the end of the story with an eye toward whether the  husband/parrot is learning anything (about himself), and if he is  learning anything, or accepting anything, what is it?  If you find that  he is not learning, cite evidence for your case.
​  http://www.webdelsol.com/butler/rob-5.htm  ​