For a long time caffeinated drinks didn't do much for me. Then a few years ago something in my body chemistry changed and they started doing a LOT for me. Then the ol' bod changed again and I started to get frightening, but turns out otherwise harmless, heart palpitations. So I'll just have to admire this guy's experiment from afar. I seem to recall college friend Bobby tried things like this for the f- of it back in the day. Nowadays, maybe not so much.