People living in the same building, at times for years or decades, may have little contact with each other. Most of the time contact is limited to a short greeting or conversation while in the elevator or when checking for mail. Brief conversations may occur during building meetings or social events.  When a neighbour begins to have trouble, it can be difficult to know what can or should be done. An older resident may begin leaving garbage outside their door, forgetting what floor they live on or try to enter the wrong suite. Newspapers may accumulate. While their door is open there may be strange odours or visible trash on the floor.    Read the article……………..