Finding the balance between body, mind and spirit is a great achievement.
My code of life and my personal bushido is honour, respect, loyalty, courage and surrender.
Be positive and the challenge will be easier.
A strong body is a good asset. A strong mind is a very good asset.
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.
If size mattered, the elephant would be king of the jungle.