Even if, by some small chance, people do think you are modestly talented and creative, they still aren't going to fancy you any more.
You sit alone for hours on end honing your deathless prose, go days without really talking to anyone and, if you're very lucky, within a year or so you will have a manuscript that almost no one will want to read. Your friends and family will come to dread requests for constructive feedback - which they know really means just saying, "This is far better than Amis or McEwan
Few jobs allow a purer expression of the self. You can create your own worlds, your own characters and your own stories; the only limit is your own imagination and talent. And this is where, you can't help feeling, the whole thing begins to fall apart.