All the Groundhog Days: Every possible answer to the movie's biggest question

Well, it's Groundhog DayAgain. And that means we're up here in our own private Gobbler's Knobs, rewatching the classic Harold Ramis movie, starring Bill Murray and Andie MacDowell, about a selfish weatherman trapped in a time loop until he learns how to be of service to his fellow humans. 

Which, in turn, means it's time to...