Are We Having Fun Yet?

Along the same lines of your option #2, several things have happened in your life lately that have pulled your attention back to your family - 5 of 6's impending nuptials, illness and loss of close relatives. From what you've related,you have always been the responsible one of your family, assisting and/or bailing out siblings as well as others. Your need to "formalize" the relationship between the squatters and your family (parents) could just be a subconscious manifestation on your part to make sure everything and everyone is protected and/or taken care of. My shrink tells me the actions and/or feelings of a dream can be interpreted as a manifestation of some aspect of our own personality. In this case, your feeling of responsibility and/or protection for your family as well as the squatters. No matter how old it gets or how difficult it may be, you will always be there for them. Just a thought...