You and Red son are "friends" to say the least, but more like frenemies. Therefore he tries to be better at things then you are....like his immune system. He says he isn't sick, but it's clear he's lying. So you're in his room, with him in bed taking care of him. At least trying to...At the moment you're trying to give him medicine

Red son: "No! I don't need the medicine! I'm fine! I'm not sick! he says that aggressively, even though he knows that he is sick. He just refuses to admit it