From 11:00PM PDT on Friday, July 1 until 5:00AM PDT on Saturday, July 2, the Shmoop engineering elves will be making tweaks and improvements to the site. That means Shmoop will be unavailable for use during that time. Thanks for your patience!
Robert is the most obvious muse. His very presence seems to produce art. The woman writes at least one poem about him, and the narrator would probably have never drawn a picture of a cathedral if Robert hadn't inspired him.