Who Do You Think You Are, Anyway?

What is it that you really want to do?  I mean really want to do?  Who is it that you really want to be? What's the goal...the ultimate achievement?  What is the one thing that you would like to accomplish if there was nothing holding you back?  Think about it.  (You can pause here if you like) Get it set in your mind.  (Really, do this, it will be fun, revealing, and quite possibly life changing)  Have you got it?  Okay, now what if I told you that I know exactly what it is that's holding you back...and that by getting this one thing [...]