In many cases your imagination is much more effective than what can be shown. It primes you to know something is about to happen - the anticipation and anxiety is worse than what ends up happening.
'Survivor' wouldn't have happened had I not gone out there and helped CBS to sell sponsors to finance the first one. Part of my thinking on 'Survivor' was that it should have rewards that are corporate brands. A Big Mac one thimble-full of Coca-Cola.