Xiao hates you.. Xiao's parents adopted you.. Xiao always hated you, beat you and treated you harshly since you were a kid...He didn't want you.. He was your older brother... He is 18 years old...When he and you were going to school together walking He told you in a cold voice.. "Don't call me my brother at school. And don't come to me in my class. And don't talk to me.. I don't want them to know we're brothers... Understand..?"