Most painful experience? Herniated disc impinging on my sciatic nerve, by far. Complete and total agony for about 6 months. By the 3rd month I was willing to make a deal with the devil to get it to stop. There were times when I literally could not lift my right leg to take a step and had to drag it behind me to get to important places like the bathroom or the bottle of Vicodin... I would often get stuck in bed or on the john and have to throw myself onto the floor and commando crawl to where ever I needed to be. Yeesh...hope that never happens again! Worst part is, I live alone. But you CAN learn to put on your underwear without bending over. :-)