"It is the kind of thing that happens to you when you are stupid," said Esa. "Things go entirely differently from the way you planned them." - Agatha Christie

No one human being knows the full truth about another human being. Not even one's nearest and dearest.

Oh, dear, it's quite true what Dr. Reilly said. How does one stop writing? If I could find a really good telling phrase... Like the one M. Poirot used. In the name of Allah, the Merciful, the Compassionate... Something like that.

Ah, but my dear sir, the why must never be obvious. That is the whole point.