Zheng Changyang suffered from Parkinson's disease after his retirement. He does not expect to be cured by learning Tai Chi. His teacher is Xu Hai’an, who took up Tai Chi which he loved when he was young at the age of 60. Gao Jinping particularly loved calligraphy when he was young. After retirement, Gao took up his hobby again and practiced calligraphy diligently every day.