Groundhog Day is basically the perfect metaphor for depression - waking up to the same joyless routine, trying to shake things up with self-indulgence or reckless abandon, hitting rock bottom, and eventually realizing that the only way out is through. Phil Connors goes through all the stages: denial, existential dread, self-destruction, begrudging self-improvement, and finally, actual growth. The movie nails the feeling of being trapped in your own head, but it also offers a hopeful message: things won't magically change…