The biggest impediment to writing
David Mamet was asked once where he got his ideas, and he said 'my brain.' (I think this is a true and not apocryphal story- and even if not true, it has a truth to it.) Which is sort of what makes writing so potentially difficult. The one thing you need to write is what gets in the way of your writing. Which is why there are so many books on how to write; that is, there are reams and reams about how to just get writing, not even counting all that is written about proper gram
