The doctor tells the old man that he may have a solution to the problem of the pill. The old man says that he hopes the doctor is not bragging. The doctor promises to visit him when he gets better. The little zheng tells him that he's already grown up. He says that after he dies, he'll be able to take care of himself. He compares the old pill furnace to a pressure cooker, which is much more impressive. He wonders if there's enough spiritual energy in the mountain. The pill furnace looks like a failure, he says, because it doesn't have enough energy. It turns out that the pill didn't work at all.