Keep your GAL and focus. You can't change or fix her, that's true, but you can lead by example, be kind, yet not a Persian carpet for her or anyone else to walk over, and she may find the courage to do the work she needs to do on herself to find peace and happiness.
You don't need to apologize for GAL, you've done nothing wrong.
M 20+ T25+ S ~15.5 (BD) BD 4/6/15 D 12/23/16
"Someone I loved once gave me A box full of darkness. It took me years to understand, That this too, was a gift." ~ Mary Oliver