Being a Navy SEAL is definitely not for me, but I’m fascinated by their discipline. I’ve watched just about every documentary I can about what SEAL candidates must endure in their “hell week” testing.
During these tests, called “evolutions,” the drill sergeant’s entire job is to push candidates beyond the limit, past what they believe is physically possible, to teach them one very important, life-saving truth: When your mind says you’re done, you’re really only about 40% done.
The reason your mind is so quick to tell you you’re done is because neither your body nor mind want to do anything hard. Both have been molded through evolution to conserve resources, minimize exertion, avoid threats, and stop when it hurts.
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