We all look to have transcendent experiences that lift us out of the everyday, and fear is a good one. But, I think it's the same reason why people want to laugh their heads off.
Fear of error which everything recalls to me at every moment of the flight of my ideas, this mania for control, makes men prefer reason's imagination to the imagination of the senses. And yet it is always the imagination alone which is at work.
Between the fear that something would happen and the hope that still it wouldn't, there is much more space than one thinks. On that narrow, hard, bare and dark space a lot of us spend their lives.
Mine are the deep-seated fears established when we are children, and they never quite go away: the fear of being helpless, the fear of being trapped, the fear of being out of control.
Because interrogations are intended to coerce confessions, interrogators feel themselves justified in using their coercive means. Consistency regarding the technique is not important; inducing anxiety and fear is the point.