Keep a cookie jar. Every time you do something hard you did not think you could do, put it in the jar. On the days the new thing seems impossible, reach into the jar. The hand that wrote the cookies is the same hand reaching now.
About the concept
Mental Toughness
Mental toughness is not grit. It is not Stoicism. It is not Sisu. It overlaps with all three and is the same as none of them. The modern doctrine — codified by David Goggins, Jocko Willink, Mark Divine, and the SEAL selection programs they came out of — is built on a small set of…
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