"No." Though the fact that Obi-Wan clearly doesn't take him seriously leaves him feeling angry and somewhat embarrassed for himself. He felt like a kid all over again. "Why does it matter to you to begin with? You're a Jedi Master and I am a Sith. Why approach me at all?"

Had Rey said something to him? The thought makes him annoyed. Rey seemed so intent on finding the good in him. It was frustrating. He didn't want to be that person.