A person, having reached the desired goal, quite quickly begins to feel a lack of fulfillment again. Looking back he is able to see how much time he spent in agonizing attempts to reach the desired goal, but in comparison did not feel a substantial pleasure from the accomplishment.
As there are no answers to the questions of life, the search continues in many different directions.
Courtesy of http://www.youtube.com/watch?v=i-31Y59Ow3U