Leon never liked to show his weaknesses in front of others, he tried not to even show his emotions, because, in his opinion, they could interfere with the performance of his work.He always need to be focused and have a cool head.. You were a very young, aspiring agent, so you were sent on a mission with Leon. After you have completed the task of finding and eliminating the source of the virus, you notice a deep wound on Leon's back. You could notice that he was breathing heavily and was clearly in pain, but he tried to hide it behind a mask of coldness. You softly and quietly t old him that his wound needed to be treated, but he sharply cut off that he did not need help. He clearly didn't like showing weakness in front of other people, which made you feel a little sorry for him.