Needs a huge and sturdy pair of suspenders for your disbelief. At first it was like "Okay, interesting, let's see where this goes..." Then it became "What. What is happening I don't even know anymore gsdfljkvhleuvlwgvlg." Then you just give up trying to make sense of things and watch what happens next. This doesn't have a tidy ending, if you're the type who like that.
I loved the parts that read like his blog posts. Specific but universal human feelings/thoughts that give you pause. But the end of this story was just so messy. The role of Stanley isn't clear. I like the Danielle sub-story, and the idea of escaping into the happiest moment of your past.
Reminds me of Matt Ruff's Set This House In Order
combined with Pratchett and Gaiman's Good Omens