Rangoon is expanding. The sayadaw put up his hand, gesturing to the young one to sit still and not interrupt. There wouldn't be enough space for people to live in or food for them to eat. Pannasami listened without resistance. And sooner or later people grow old and fall ill.
Old people are always sick with heart trouble or stomach trouble.
They are not healthy any more. Only young people are healthy. Old age is the cause of sickness, and sickness is the cause of death. Pannasami was so startled that he laughed right out loud. He had forgotten his question completely, and so the answer had come as a big surprise.