Jiu-jitsu puts you completely in the moment, where you must have a complete focus on finding a solution to the problem. This trains the mind to build that focus, to increase your awareness, your capacity to solve problems.
Rickson GracieIf you are not comortable to deal with an opponent 50 lbs heavier than you, there is something wrong with your Jiu Jitsu.
Rickson Gracie