Writing Tidbit: Suspenseful Delight, Not Torture

In The New York Times, author Alex Stone explains the psychology behind why waiting is torture.  The article has some excellent points that I would like to highlight here and relate to writing.  In particular, I want to relate to how writers open up a question but delay when they answer it.  Sometimes the sense of suspense works, sometimes it doesn't.  Perhaps this article gives some hints as to why.