Given you are having doubts even though you have not been offered a role speaks of a thousand words!!
I think that we have to acknowledge to ourselves, that like life, no matter where we work or what we do, things don't always go as perhaps we would like. I'd like to get a new plasma telly...can't afford it, but that doesn't mean I'm going to leave the wife so that I can.
As a former Prime Minister once quipped "life wasn't meant to be easy"