Moshe Katz while serving in the IDF I am sitting on the plane now, trying to get comfortable, it is not easy. You see I have this sharp pain in my back. I know the exact spot; lower back, left side, just a touch to the right. And I know the exact moment it came about... It was several years ago. I was still training on a semi-regular basis at the Jerusalem gym, more as a show of support than out of a desire to improve my MMA skills. In this particular MMA class I pared off with a young fellow, about my height but a few kilo heavier. Now when it comes to a fight - I will do everything to defend myself, I will not allow anyone to hurt me. But with training drills we do not protect ourselves, we allow our partner, (not our opponent) to practice techniques on us. We do not protect ourselves; we trust our partner to protect us. But my partner that day was young and dumb. He was a "tough guy" and caution and restraint is for the weak, the soft. So we were ...