When your job becomes something useless you do because you want the money you get super unmotivated, to say the least.<p>An painter spends 18 months creating a great work of art, one of his best.  After he is finished, a guy buys it for a large sum of money and promptly burns it.  How does the artist feel?  Is he going to be motivated to spend another 18 months on his next idea, even though his previous idea was a financial success?