Stories like this always make me have a sense of dread - like she actually did die, and she really did never change, and this is their heaven, or a multi-verse version of themselves.
There was another comic with a similar concept as this, with a divorced, fired, hated father. It turned out he was living in a multiverse and ended up seeing all the possibilities of his life, before returning to his current life with a renewed purpose through the shift of perspective. I don't think I've read one that handled it as well as that - yet at least.