Three years isn't a very long time, but it can change a lot. Three years ago, he held out his hands and opened his arms to that boy. Three years later, he was still waiting in the same place, keeping their promise and waiting for the boy to return. Did that boy still remember their promise? Did he still hold on to those feelings? Would he still tug at his sleeve like he had three years ago and murmur, "Lin, you're so good to me"?