Welcome to PC.
It's nice of you to be concerned about your sister.

I do think you will have a very difficult time trying to change her habits, if she does not want change herself.
I hope you find the information and the support you may be seeking.
Please make yourself at home. Jump in wherever you feel led to do so.
Your first 5 posts are approved by a moderator before they appear. After 5 approved posts, you will also have access to chatrooms and to the Private Messaging (PM) system.
I hope to see you around the forums.

WC