"After all, artists - especially writers - need more alone time than regular people.  They crave solitude whereas many people fear it.  They resign themselves to financial uncertainty whereas most people do anything can to avoid it.  Moreover, if an artist is lucky, her work becomes her legacy, thus theoretically lessening the burden of producing a child to carry it out."
-Selfish, Shallow, and Self-Absorbed: Sixteen Writers on the Decision Not to Have Kids by Meghan Daum