Neither Cao Cao nor Ye Ling disturbed Xu Min while he was polishing his sword and reminiscing about Overseer Wang and the old days.
They understood this reminiscing about the past was something that he had to go through on his own. He had to overcome his emotional troubles. Xu Min would never have thought Overseer Wang would leave the city on his own adventure. He had felt that whenever he returned to this city, he would see his teacher.
This unexpected reality was harsh. He would not be able to meet his teacher whenever he wanted to, and he could not feel too sad about it either.
The letter that had been left behind for Xu Min stated his master had found something to live for. He had discovered a purpose in living. Because of this new-found purpose, his master moved on with his life.
Consequently, since his master had decided to move on, who was Xu Min to stop him and hold him back?