I’m getting older, early sixties, so I’ve toned down my exercise regimen. I do the regular Marine Corps workout now, instead of the crazy stuff that I used to do. I also limit my maximum distance to 10K. I just don’t want to do marathon distance or anything more than 10K anymore. I get tempted sometimes, but then say, “Ah, to hell with it. I’m retired now.” Did you lose your enthusiasm for extreme exercise routines when you started getting to a certain age? I think that I started not wanting to get too excessive around age 56, and my enthusiasm slowly tapered down to my present routine, to which I say, “Good enough”.