Is your client "Eccentric" or "Crazy"

I hope no one has had this happen...I had a client that wanted to sell her property as she was not comfortable with her neighbors and thought they were out to get her. Well, knowing the area and the natives, I knew this could not be true but I decided to market her home and find another place for her.  So, the story begins...she has no phone so I can not call and let her know that people were coming to view the property and she was OK with that, just knock and let me know you are here. On a rather hot summer day, a couple told me they were going to look at the property on the advice of a co-worker/REALTOR they work with and so it begins.  Now the seller being 76, seemed to have her wits but this day proved me wrong.  As the people approached the front porch, she cam out of the home stark naked with a pot in her hand chasing a bug.  Now "Eccentric" has a new meaning. What to do...I asked them to call social services and/or adult services to see if she needed some medical attention.  As a new REALTOR at the time, I was concerned about the fine line of client/REALTOR and what I could and could not do.  On another day, a ladies car broke down in her driveway and she went to the door only to be chased away with a stick (she was wearing clothes this day).  The sad thing is they had known each other for 20 years and there was no recognition.  At this point, I consulted my broker about cancelling the listing as I was concerned about public safety, and so I did.  I felt that it was by far more important for her well being than me selling her property.  What would you have done in this situation?