I am seeing warnings.I am not meant to have contact with my narc sister at all but we agreed to exchange texts if we need to talk about my elderly mum's care.Today she was with mum when I phoned mum's house and she started getting angry and raging at mum to tell me off for arranging to go out with my niece the next two Saturdays.My sister takes time off from caring for my mum on Saturdays and Sundays and want to take my niece out with her on those days.It is not ok to get angry and bombard me with hostile energy.It just takes a quiet adult request not to arrange outings for weekends.I just send her a text telling her she is not in charge of me to reprimand me and to be respectful in future or I will cease all contact again.I am upset and angry that she thought its acceptable to use me as her punching bag and I told her so.People take liberties and should be more thoughtful in their communications.I really need to be totally no contact with this narc *****.She went into one of her narcissistic abusive rages.I am not coping well now because of her behaviour.