I know about the term butterfly, but I am looking for something a little different.
What do you call a person that is greatly motivated to achieve a goal, but loses interest the second after that goal is achieved?
The difference to the butterfly example metioned above would be the provided achievement of said person.
It would also be great if anyone could mention a literary reference to such a character.
Best Answer
How about a "flighty Renaissance man or woman."
In other words, a person who can do many things well, but who flits from one completed project to another, having lost interest in what was just achieved but eager to try something novel and hence to him or her, exciting.
Then there are the following:
Take your pick, but let me know if any one (or more) tickles your fancy.