PurpleStar, this is one of those things where you could waste a lot of your time.

First of all, she is living an insane lifestyle it sounds like.

Second, if she believes what they teach, she will eventually go back for the comfort of her beliefs.

Be her friend if you want, but don't try to control her or guide her. Just be a listening ear as long as you can take it. Don't get sucked into it yourself though.

Janet