Well it's a self contained story in comic book form as it's the memoir of a comic book illustrator with many literary references and deals with themes of self discovery and family. And I'm sure there are people who enjoy the wait, something to always look forward to in the traditional sense.
Once a month, not a whole month. I'm sure you're fine on things to be angry about. Searching for something to purposefully be angry about seems like a waste of energy to me. I think you're fine.