Groundhog Day is one of my favorite movies. I love the movie so much I recently read the book How To Write Groundhog Day by Danny Rubin.
In the book he sums up the philosophy behind why I love the movie (besides the fact that Bill Murray is in it):
The absolutely worst day of Phil’s life took place under the exact same conditions as the absolutely best day of Phil’s life. The best day and the worst day were the same day. In fact, a whole universe of experiences proved to be possible on this single day. The only difference was Phil himself, what he noticed, how he interpreted his surroundings, and what he chose to do.
The two clips below show just a few differences in how Phil approaches the day: