No matter how honorable you are or how low someone is, we always have someone or something to protect, no matter how important it may be in the eyes of others there is something we will fight to the death for.
But Zhao Li Xin didn't have that, he didn't even realize how lucky he was as if he had lived his entire life with his eyes closed without letting anyone or anything enter his heart because if there was nothing he desire he would never be disappointed again, he will never be hurt again, never felt so lost and alone, nor would he realize how meaningless his life has become but someone like him when his heart was moved it would easily make him lose control by drown him into an uncontrollable obsession, like a thirsty traveler who feels fresh drops of water for the first time but he doesn't realize that what he drank was seawater.