Keep those positive changes going. So far you're on the right track.
"She has told me that she is comforted knowing that I will be close by so if she wants to come over, or help me walk the dogs, watch a movie together, etc."
You have to break this cycle. She has to understand that she CANNOT just come and go as SHE pleases. She has to sense a need of loss that you might not be around.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.