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 author questions the readers in the book were you beaten? Abused? Bullied? Did you ever feel insecure?

Maybe your limiting factor is that you grew up so supported and comfortable, you never pushed yourself?

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...