Nice performance, man!

"Since though, it's been pretty therapeutic to rebuild that intuition, feels like it relies on a certain sort of problem-solving adjacent skill set, but in a more on-the-fly, gut-feeling sort of way compared with full on math-y analytical thinking"

That's where I have gotten with music. I've tried to get away from the script of a song and "feel" it, which in turn leads me to enjoy and put out better vibrations.

No idea on the intranasal. I don't use it much. For me, I have so much stuff that helps the brain, but to get to basics, certain things are a better bang for their buck: the lllt light, exercise, diet, certain supplements, meditation.

I have challenges for sure with trying to do too much. So simplicity leads to better long term results for me almost always.