David Goggins had a nightmare childhood.

Poverty, prejudice, and physical abuse colored his days and haunted his nights. But through self-discipline, mental toughness, and hard work, Goggins transformed himself from a depressed, overweight young man with no future into a U.S. Armed Forces i...

"Can't hurt me" book shares his astonishing life story and reveals that most of us tap into only 40% of our capabilities. Goggins calls this "The 40% Rule", and his story illuminates a path that anyone can follow to push past pain, demolish fear, and reach their full potential.

The author challenges the readers to break out a journal, laptop, tablet, or notes app on the smartphone.

He further insists—

• Do not be bland with this assignment. I showed you every piece of my dirty laundry.
• If you were hurt or are still in harm's way, tell the story i...

The assignment further challenges you to note down a list of excuses, the very good reasons why you shouldn't amount to a damn thing, to fuel your ultimate success

For some it may mean login onto social media, posting a picture, and writing out a few lines about how your past or present circumstances challenge you to the depth of your soul. If that's you, use the hashtags #badhand #canthurtme.

Otherwise, acknowledge and accept it privately. Acting upo...