If people do not know what is going to make them better off or give them pleasure, then the idea that you can trust people to do what will give them pleasure becomes questionable.
Daniel KahnemanResearchers who studied a thousand Dutch vacationers concluded that by far the greatest amount of happiness extracted from the vacation is derived from the anticipation period.
Daniel KahnemanNegotiations over a shrinking pie are especially difficult because they require an allocation of losses. People tend to be much more easygoing when they bargain over an expanding pie.
Daniel Kahneman