Reincarnation O

During the summer vacation of third grade, my grandmother took me to her home in the mountains. There was an old man nearby who gave me snacks, taught me my homework, and occasionally told me stories. That day, I learned that the stories he told me were all his own experiences, so at my request, he told me all his experiences - a story that spanned thousands of years and went through hundreds of reincarnations, from birth to death, and then to birth and death again.