So I don't think the previous commenter got it right, and I think this question is in fact busted. But I'd also like to hear people's thoughts.
The original logical relationship, we can agree, is I + F -> U. (inviting and functional --> must …
Taking a few days off to prevent burnout is a very worthwhile investment.
You can also take a PT and see how poorly you do to remind you of how far you have to go