Sailcloth and prosthetic aortas: What do they have in common?

Just a brief post to update the reader regarding what I learned today. Evidently prosthetic aortas (the tube they will use to replace my aorta) and sailcloth are essentially the same material: Polyethylene terephthalate (sometimes written poly(ethylene terephthalate)), commonly abbreviated PET, PETE (brand name=Dacron). Wikipedia (I know) describes Dacron: “is a thermoplastic polymer resin of the polyester…

“No marathons, no sprints, no building muscle, don’t diet; I want you to do moderate exercise and to eat foods you enjoy that are good for you.”

Oh boy. That’s both scary and liberating. I have so closely managed my diet and exercise for the past 27 months. Now I am asked to change things. Lots of things go through my mind… What will happen if I make changes this drastic? What will my pre- and post-workout snacks look like if I…