[atomicnature]

Continuously taking on more challenges; if you don't push the boundary of your capabilities, one stagnates.

Incrementally increasing risk appetite as a mental exercise

Ensuring "skin in the game" (when there's something to lose, I tend to be more "awake")

Focus on personal conduct (rather than merely absorbing "information"; right practice makes me better, not just the knowledge of what to practice)

Becoming accountable, pledging results, and putting 100% efforts

Also, for inspiration, pick some "extreme" fields to study: mountaineering, Olympic level training, etc