Mom has been having strange hallucinations of late. Each afternoon at about 5:00 p.m., she insists she must go out to work or to meet a friend. My dad realizes the futility in arguing with her, so he readily takes her out for a short walk. The other day she made herself some tea by pouring water into three cups and said that one of them was for someone else. Then she refused to drink any of them. And, only last night she told my dad that something needed her help. When Daddy