I'm quite happy with the outcome so far. Though, my aims are humble. My intention for this period of life (however long it lasts) is to live 'organically' and observe the results. My primary observation is that I'm happy consistently - something that was inconceivable with my old style of X to Y to Z goal planning.

In your second paragraph you mention trying to be as productive as possible during your time off. Seems like you'd be setting yourself up for disappointment there. If you instead approach that time off with 'whatever happens, happens' approach you'll be more forgiving of yourself and may actually be able to relax so you can be more productive later.

The theory I'm exploring is that happiness is healthy. By living happily, perhaps I am repairing whatever damage I did when I was so intensely on the career grind (it was rewarding but, ultimately unhealthy in a burnout way). And, by doing that repair, perhaps I'll be better suited to be even more productive.