If you tell the average gym goer to train by feel, they'll stop the second it burns. They have six reps left and they think they're at failure. They're not. They're at the edge of their comfort zone, which is a completely different place. Your Body Is Lying to You The nervous system is wired for homeostasis, not hypertrophy. It sends the quit signal long before the muscle is actually at risk. The initial burn, the spike of discomfort, the psychological urge to rack the bar that's the governor kicking in, trying to keep things exactly as they are. The body lies. Every serious lifter figures this out eventually. The question is whether you learn it early or waste years of training thinking mediocre sets were hard ones. There's a difference between the brain wanting to quit and the muscle actually failing. That difference is the entire skill of advanced training. Here's what real failure looks like: Bar speed drops involuntarily. You're pushing at 1...