Hundreds of people who've never written before send in 'Dr. Who' scripts. They may have good ideas, but what they fail to realise is that writing for TV is incredibly complicated. They have no idea how difficult it is and what the financial commitment is.
I wanted to be a writer-performer like the Pythons. In fact, I wanted to be John Cleese, and it took me some time to realise that the job was, in fact, taken.
I briefly did therapy, but after a while, I realised it is just like a farmer complaining about the weather. You can't fix the weather - you just have to get on with it.