A video of someone like me after a day of drinking coffee at work
HT: Ernie who also to a Malcolm Gladwell article about coffee.
Andrew Gelman has a nice post about someone who performed
a randomized, blinded, placebo-controlled experiment on himself
was astonished to see how much the caffeine had affected him. He was stronger -- his power output was 3 percent greater -- and faster. In fact, he said the average speed for his tests when he used caffeine was faster than his fastest speed when he was not using caffeine