Tinkering with sentences as they come out

Despite every attempt I have ever made to become a faster and less finicky writer—to forge relentlessly forward, laying down a thousand new words per hour as Rowena Murray suggests that any writer can learn to do—I seem to be constitutionally incapable of drafting even a single sentence without doubling back on it at least a few times to adjust various details.

Helen Sword, Air & Light & Time & Space: How Successful Academics Write (Cambridge, MA: Harvard Univ. Press, 2017), p. 60 (citing Rowena Murray, Writing for Academic Journals, 3rd ed. (Berkshire UK: Open University Press, 2013), chap. 3)