I belong to a good family but my brother sometimes behaves very badly to my mother he abuses her . Blame her for everything thats not going well in his own life , but she suffered all her lige for her childrens , he refuses her sacrifices. But sometimes he act like nothing is wrong , he cares alot but we dont know why he behaves like this after being normal for a little while . Please tell me what to do to make this condition vetter my mother is 60 and she is always tensed , she is a single mother.