What a pleasant surprise among the defensive takes. Thank you for sharing it.
The most problematic situation seems to be when not having access to all of them and trying to push your partner into fulfilling all of these roles. To be your partner, parent and a friend(sometimes a therapist even). Sure it's nice of them if they can, but it shouldn't be their daily responsibility.
If I may interest you in weirdly optimistic take
Think of how much time and energy you will save on family visits, when you decide to be done with such treatment