Because if you're trying to write and you have unlimited time, you can procrastinate an unlimited account, but if you have limited time, you rush to the page trying to get something down in the little bit of fragment of time that you have, and you may write a great deal that way.
“I very much dislike writing about myself or my work, and when pressed for autobiographical material can only give a bare chronological outline which contains no pertinent facts.”
“Every time I show up to do something here it's considered a comeback. If I came into town and they didn't call it that, I'd be disappointed.”