The Gut Check: Mental Strength Through Physical Training

Willpower is an unbelievably powerful quality that can and should be trained through regular gut-checks.

 

Humanity delights in the idea of a challenge. We are fascinated by iconoclasts like Wim Hof who push the limits of what our bodies are capable. Something deep within us yearns to test our boundaries—to enter the challenge in pursuit of becoming something greater.

 

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source http://breakingmuscle.com/fitness/the-gut-check-mental-strength-through-physical-training