Dave I understand.
I have a saying that turns into a mantra while I am competing "Time and Distance Pass". I got it from some famous athlete who I wish I could give credit to.
Robb I have to work on my fat adaptation. I know that I have seriously depleted my substrate on more than one occasion.
What we think, or what we know, or what we believe, is in the end, of little consequence. The only thing of consequence is what we do. -John Ruskin