Giving up on books

I love Goodreads and think it's a great site for all manner of things related to books. I enjoy being able to keep track of what I read (previously I just made a list of titles for each year, which was okay, but didn't have any detail), but I find one aspect of the 'My Books' section a bit frustrating.

I've always been one of those people who doesn't finish every book he starts, but Goodreads doesn't seem to like this idea much. You almost get the feeling you should finish everything you...