There's a surprisingly good book by Seth Godin (sorry!) called The Dip about this dilemma. http://www.amazon.com/Dip-Little-Book-Teaches-Stick/dp/1591841666 ht

There's a surprisingly good book by Seth Godin (sorry!) called The Dip about this dilemma. http://www.amazon.com/Dip-Little-Book-Teaches-Stick/dp/1591841666 http://www.amazon.com/Dip-Little-Book-Teaches-Stick/dp/15918... The key thing, he says, about successful people is they quickly and accurately either choose to abandon something very very fast, or to pursue it through the depressing dip to sucess.