I had a hard time figuring out how to rate fiction. I don't want to say that something is inherently bad. That's only my opinion. But I can say to what extent I liked the story.
0 - I didn't enjoy this very much and I won't watch it again.
1 - I didn't mind seeing this movie but I won't watch it again.
2 - I didn't mind this movie and I might watch it again.
2.5 - I liked this movie but I won't watch it again.
3 - I liked this movie and I might watch it again.
4 - I liked this movie and I occasionally watch it.
5 - I loved this movie and I watch it frequently.
6 - I loved this movie and I watch it all the time!
0 - Didn't finish it/disliked it.
1 - Didn't finish it/couldn't stay interested.
2 - Wasn't bad/wasn't memorable.
3 - Loved it.
4 - I was addicted/marathoned it/rewatch it.
0 - I stopped without finishing it.
1 - I finished it and didn't enjoy it.
2 - I finished it just to find out what happened.
3 - I enjoyed reading it.
4 - I loved it.
5 - I loved it and I reread it.