C363 To be born in distress and to die in peace and happiness
The physique mentioned here did not refer to a person's physical strength, endurance or the like. Rather, it referred to the potential of a human's body.
Everyone has potential, and it's like a filling bag hidden inside the body. Usually you don't show your potential. However, once a person was in a life-and-death situation, they would naturally unleash a powerful force.
For example