1.
Problem: The story you are writing has plot holes.
Solution: Unreliable narrator.
2.
Problem: The story you are writing has severe, glaring plot holes.
Solution: Unreliable narrator with amnesia.
3.
Problem: Even an unreliable narrator with amnesia can’t explain the plot hole typhoon raging across this entire godforsaken story.
Solution: Time travel.
4.
Problem: You are not a very good writer.
Solution: Your narrator is not a very good writer.
5.
Problem: You are bad at dialogue.
Solution Your main characters are robots. (Advanced: Any character with a speaking role is a robot.) Welcome to the avant-garde.



