Crazed, You're right. There's already a part of my mind creeping in, trying to ignore all of this as if it was not a problem, because it's hard to admit I may have to end things. I'll take a look at that book, thank you.
Florence, Maybe you're right.. I'll take a look at this sticky.
Many of the responses seem to suggest that cutting ties/ending the relationship/telling her to get help is the way to go. I'm wondering, are there any instances where staying together would work? I feel like I know what many will say to this, but I had to ask.