The rules of suspense are that you do know, and you just don't know when. In the Hitchcock rules of suspense, you are supposed to know that there is a bomb on the bus that might blow up, and then it becomes very tense - but if you don't know that there's a bomb and it just blows up, then it's just a surprise.
Gus Van SantI'm not being analytical. I just create everything intuitively. If you're too analytical, what you're doing probably ends up being too specific.
Gus Van Sant