here's the reason when you have a higher weight Paul and I know you haven't done this but when you have a higher weight you'll and you do 90 reps what's going to give out is your oxygen supply right so so that you won't be able to do because your breathing so hard and so it's better to cut back and be able to do the more reps and get the Lok the high concentration of the metabolic byproducts and localizing the Muslim