No better way to train

"I'm not really good at knowing where 85 or 90 percent is. I only know where zero and one hundred is".

If you’re on gear or you have multiple hours a day to dedicate to your recovery and nutrition, maybe. Otherwise nothing good really comes out of destroying your muscles as hard as you can. For most it is preferable to go lighter, close to failure and with a bit more volume.

training while holding $pfp is cool too, never have to worry about getting rugged