I think you are confusing quitting caffeine with reducing intake of HFCS. I used to (a long time ago) drink 2 liters+ of Coke at work. I switched to diet, but

I think you are confusing quitting caffeine with reducing intake of HFCS. I used to (a long time ago) drink 2 liters+ of Coke at work. I switched to diet, but still caffeinated, and within two weeks, I felt like a new human being. Among everything you listed, I'll also add that I went from needing 8 hours of sleep at night to needing only 6.