Since his cells do not die out, he will remain young forever. In the process of cultivation, one will look young, and in the end he will have a fixed appearance. Of course, when knocked down by a car, such a body may also fracture, and it may also bleed when cut with a knife, because its molecular arrangement order has not changed though it will not die out or become old naturally and no metabolism will take place in it. There is nothing superstitious in it. It can be explained scientifically.
Some people are unable to explain it clearly.
When they give careless remarks, people would say that they are propagating superstitions, as the saying comes from religion, not from the contemporary qigong. I said the other day that the key to the increase of cultivation energy lies in the cultivation of one's Xinxing. When you are assimilated to the cosmic qualities, they will no longer restrict you. The higher the energy column, the greater your energy potency is. It all depends on your heart to cultivate it.