May Writing Meme: Day 1

Seeing as I'm not accomplishing much writing lately (not technically true: I'm writing lots, but the deadlines keep wooshing by without me) I may as well write about writing and count that as an accomplishment. This meme is courtesy of my beloved jjhunter , and the full list of questions can be found at her original post, here. 

Day 1: Why do you write?

( There's more than one... )