The Legend of Three Lords

Grandpa has two younger brothers. His third brother, we call him Sangong. He is seventy-five years old. He often talks to us about his youth. He said: "That was fifty years ago! I think when I was young, I could fight more than a dozen...". Listening and listening, I actually fell asleep. When I woke up, I found that I had traveled through time, fifty years ago, when San Gong was young...