"Sin will bait you and he won't do it in the same way every time. He will try sarcasm, cruelty, intimidation--whatever he thinks will get a rise out of you. He expects the worst from people and he trusts no one. If you don't show overt hostility towards him, he will only expect that it's something that will come later. He is used to both physical and verbal abuse from the people here. He is used to being condescended to and treated as though he has lesser intelligence. He is used to not having an ounce of respect from anyone. He will be waiting for you to prove yourselves to be like everyone else and if he sees that, he will react to you exactly as he reacted to the others. It is your job to not let that happen."