Jake was watching vigilantly at his dying wife's side. ''Sleep now, its all right,'' he told her. But she kept trying to sit up and said, ''Honey, I really need to tell you something.'' Finally Jake let her get it off her chest. ''Jake, honey, I need to tell you something before I die. During the last two months, I slept with your brother, your best friend and your father.'' ''Don't worry about it,'' Jake said, ''I already know. Why do you think I poisoned you?''