Series Sunday: When to Stop Reading?

(Pick a Series. Any Series.) 

Series Sunday is a bookish meme hosted by Literary Marie. I encourage all of my fellow book bloggers and bookhearts to play along. Today is merely a discussion. Please chime in! 

When is the right time to stop reading a series? 

1. When the storyline is far beyond recycled.
2. When the characters are no longer relatable.
3. When the author's authenticity is questionable.
4. When the series is drawn out and needs to end.
5. When the plot is spoiled thanks to social media.
6. When the author's real life bleeds into the series.
7. When the series develops a cookie-cutter formula.
8. When the publishing company delays new releases.
9. When the author's writing style changes for the worse.
10. When the (insert your reason to stop reading a series here).