Compelling and captivating stories of jiu-jitsu icons and influencers that reveal the 22 scientifically proven principles for success on and off the mats. Jiu-Jitsu will change your life. But are you paying attention to the right things? When you are exposed to the jiu-jitsu community, you will meet countless people that share a similar message which is, "Jiu-Jitsu changed my life " The first few times you heard this, you...