Get all the help you can
Just because something has always been done a certain way, doesn't mean it always has to be done that way.
Knowledge around nutrition, hydration, biomechanics and endurance has moved on considerably. Make the most of that knowledge. Don't get stuck in a rut.
In order to challenge a body you have to keep it on it's toes and change things up. Monotony and routine breeds complacency and boredom.