16-Year-old He Zhou picked up 9-year-old Guan Yuan;
21-year-old He Zhou lost 14-year-old Guan Yuan;
The 25-year-old He Zhou once again left the 18-year-old Guan Yuan;
Three years later, they met.
Three years ago, he said, we are brothers. Three years ago, Guan Yuan said that from now on, we will never have contact with each other until death.
Three years later, He Zhou understood that they were more than just brothers.