When I was younger, I... sometimes I'd imagine what it'd be like, if I were to leave Camelot. Become a farmer or something like that - someone that wasn't a prince. It was... constricting, to believe that my destiny and life was already determined for me.
But in truth, I could never have left Camelot or my people. While they don't need me anymore, and have a Queen who will protect them now, it...
At least now I have something of an experience in it - what it would have been like, to not be king. [And he was still weighed down by his responsibilities and feelings of failure. So clearly he just sucks regardless of the role he plays.]