In light of allthe talk about ultraprocessed food dangers, and the mention of junk food consumption early in the course of this adventure, is it possible that diet played a role here?

Frequent physical exercise and a high-protein, high fiber diet can do wonders.

I worked in big pharma for over 7 years, and can tell you that it is known internally that the antidepressants and placebo have very similar efficacy. Which is a whole different very fascinating topic. Of course some of them, like the tricyclics, can be great for getting a good night's sleep which is also great for mental health