Dick Van Dyke revealed his surprisingly stringent gym routineDick Van Dyke, the 98-year-old Hollywood legend, has revealed his secret to staying youthful and fit. The actor, who broke records earlier this year by becoming the oldest Emmy winner, credits his long-standing gym routine for his impressive health and vitality. In a recent interview with Entertainment Tonight, Van Dyke was asked about the source of his enduring energy. Turning to his wife, Arlene Silver, Van Dyke disclosed that he believes the key to his longevity lies in his commitment to regular exercise. READ MORE: Dick Van Dyke shares unusual physical activity he and his wife do to keep youngHe said: "We still go to the gym three days a week and work out.