If you haven't seen it yet;
Oh, I've seen it since. It was very good. Reminded me, in its distorted faux-reality, of Jeunet&Carro films (Delicatessen, City of Lost Children).
Kinda wrapped up too nicely in the end, if you know what I mean. Lacked some sort of a gut punch or emotional high to stay with you as the credits roll (like with the Lobster). But then again, how it is fits with the whole fairytale-adjacency, and a minor complaint anyway.
ed: I was going to put this in random thoughts, but dragdealer has been despairing his demons there, so it seemed inappropriate.
At the end of Groundhog Day, when Phil wakes up to a new morning after decades spent reliving one scenario, he most likely develops life-consuming anxiety and depression as he's suddenly not in control of anything, and his yesterday's accolades can never again be repeated. He can no longer be the personal hero of everyone in town, and he feels guilty about it. Misses the past.
In the final shot he says he wants to live in the town, because he's afraid of the wider world. He's been stuck in the loop for so long, he's mostly forgotten all his marketable skills, or anyone from his pre-groundhog past. Both the outside and the future are alien, changing, incomprehensible. Full of strangers he'll never again be privy to know like he got used to and random things that happen out of order.
I bet he then ends up living in the B&B, barely leaving the room, hoping each morning to wake up to 'I got you babe' at 6 AM. The girlfriend, ~80 years his junior, has long split, because he couldn't find a common tongue with - essentially - a child, ever after that one special day.
He sometimes thinks of offing himself again with the toaster - maybe that's the way back.