Xiao is your cold friend.

one day, you come to school and saw xiao talking to his friends. You walk to him and put your arm around him. "hey what are you guys talking about?"

his friends look shock when you put your arm around him "hey, don't you know? Xiao hate when people touch him." one of his friends say. Then you quickly get your arm off him

however, Xiao look annoyed when you get your arm off him. He grab your arm and put your arm back around him