Yes, there seems to be something missing. Noah readily accepts (in hindsight) that it was his fault he got fired, but neglects to say what if any steps his mana

Yes, there seems to be something missing. Noah readily accepts (in hindsight) that it was his fault he got fired, but neglects to say what if any steps his manager took to guide Noah to be a better employee. If this were the whole story, his manager would bear some responsibility for things getting so bad.