Everyone wrote the "here is my perfect home office setup" post in the spring of last year. Mine would have been a lie, so I didn't. Eighteen months in, here is the honest version.
The good bits are real. No commute means an extra hour that I mostly spend not doing very much, and that turns out to be fine. I think more clearly when nobody can lean over my desk. The coffee is better, the chair is mine, and I can take a call from the garden when the weather holds.
The less good bits are quieter. The working day has no edges any more. I used to stop because the train wouldn't wait; now I stop because I notice it has gone dark. I talk to fewer people, and the people I do talk to I only ever see in a small rectangle. I miss the accidental conversations, the ones where you learn something useful by standing near someone who knew it.
I have made my peace with most of it. A short walk at the start and end of the day fakes a commute well enough to give the day its edges back. That single change did more for me than any standing desk. The rest is just paying attention to when I have stopped enjoying it and doing something about that before it sets.