Where did the quote 'what had happened was..' originate?

The quote 'What had happened was originates from a stand up act performed by Richard Pryor and was used by Will Smith in The Fresh Prince of Bel Air show.

Richard Franklin Lennox Thomas Pryor ( was an American stand-up comedian, and actor. He reached a broad audience with his trenchant observations and storytelling style, and is considered as one of the best and most influential stand-up comedians of all time.

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.  

he uses the metaphor autumn.