I stood quietly in the middle of the dojo floor and listened respectfully while Sensei yelled at me.  He had progressed from yelling to screaming, and by now he had been screaming non-stop for thirty minutes. I was keeping track of the time by sneaking peeks at the clock on the wall at the end of the dojo. It was quite impressive to witness Sensei’s ability to find new things to yell about, as well as his stamina for screaming. He certainly was a creative screamer, and apparently, I was giving him plenty of reasons to scream at me. I didn’t know where he was getting his energy from, but at least one of us had some staying power. Personally, I was exhausted, but knew better than to admit it. Over the past half hour, we had established a predictable rhythm. My partner would attack me, I would...