Sherk is just to strong. Right now he walks around at 175 and i think Kenflo walks around about 165 or 160ish. There's only a few submissions that can save kenflo in that type of strength difference.
What is it that is going to be on your mind when you're on your death bed? Will it be the tedious years of 9 to 5, or the memory of some great acheivement. Maybe a moment you stood in glory to the applause of millions.