Plot Exposition, Muppets, and Cannibalism: a Writing Lesson from the Movies

There’s a scene in the Great Muppet Caper, in which Lady Holiday explains to Miss Piggy the backstory for the entire movie.
Miss Piggy: Why are you telling me all this?
Lady Holiday: It’s plot exposition. It has to go somewhere.

Writing: the Sixth Sense

 

I see fictional people. And they don't know they're fictional.

 

After reading my novel (old draft, now discarded) for the first time, my brother’s fiancée asked me where I got the idea.

I had no idea what to say.