Vitamin D really helps a lot. And the effects are permanent so it's great. My full supplement stack is: 10k vitamin d, 1x vitamin k2, 1 tablespoon omega-3 oil, 2x zinc magnesium capsules.
Did you look at your testosterone levels? It's better being angry than depressed when you have problems, in my opinion :-)
My project has 17k lines of Scala code (no whitespace). I don't have a SSD.
It takes 10 minutes to perform SBT Assembly from a cold start, 40 seconds afterwards.
And about 1-3 seconds to compile and run locally within IDEA.