I suspect my sister has mental health issues. She is paranoid, completely unreasonable and has been very unpleasant about various things over many years.
She has a daughter (nearly 17) and a son of 8.
I am very worried about them both as they seem to be suffering in a hyper sensitive household. She told my nephew that the reason he didn't a place in the local cub pack is that none of the scout groups in their area like them 
My niece has told my Mum that she s really looking forward to being old enough to have her own flat so that he can come and live with her.
There are too many things to wrote about but I have no idea if there's anything I can do apart from suppporting my niece (she is on Facebook) and generally just tryng to include my nephew in things although sister is very anti
Making me very
and don't know what to do....