That would be good advice if you are 100% disciplined, which irl usually means that you're under someone else's discipline. For most people most of the time, r

That would be good advice if you are 100% disciplined, which irl usually means that you're under someone else's discipline. For most people most of the time, running out of discipline and quitting is the failure point. The relative merits of running vs weights vs judo are trivial relative to the merits of continuous exercise habit throughout your life. You'll naturally gravitate towards little optimisations and improvements anyway, if you keep showing up. If you're a pro athlete, where showing up is a given, then the difference between high rep and low rep matters. Otherwise, it's like premature optimisation. Even for pros, like professional writers, the most common advice relates to showing up every day.