Objective criteria, such as consistently increasing weight or reps week over week, are necessary for accurate training progression and building intuition about failure.

“if you have objective criteria of this is what I did last week and I just want to go a little bit beyond it is inevitable that one of two things happen over the long term one you will reach muscular failure and you will be unable to do a repetition or the other is you'll get infinitely strong forever”

“put some numbers on the board and just buy a little 2 and a half or 5 pounds or one rep each week beat those numbers week upon week commit yourself I must hit 18 reps that's the goal if you can't do it success you went to failure now you know where the limit is now you're building an intuition”