Li's 30-year-old son had for many years been suffering from a condition in which his liver could not metabolize cooper ions. While Wu was filming Li, Li's son reached a critical condition several times, and he was in urgent need of a new liver.
拍攝期間，李老師三十多歲的兒子，長年為肝臟無法代謝銅離子所苦，幾度病危，急需換肝。