I'm not sure what you're confused about. She still lives at home right? You allow her to come and go as she pleases to visit the OM. She's never had to see the consequences of her actions and you've allowed her to do whatever she wants. Why wouldn't she ask you to go on vacation together?
Do the two of you actually do anything together on your own?
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.