You cannot un-read Goggins. Once you internalize that the human body can run 200+ miles with a kidney stone, or that a man can lose 100 pounds in three months, your excuses evaporate.
The 40% rule is simple: when you think you're at your limit, you're actually only at 40% of what you can handle. You're not even close to being done. You're just getting started. cant hurt me by david goggins epubazw3
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