I'm far more often annoyed than delighted by previous readers' marks in used books, so I assume that my notations will be equally annoying to future readers, and avoid making them.

Wolf in White Van is beautiful, enigmatic, and sad, and like every other brilliant thing John Darnielle has ever done, it seems to come from some fully imagined universe, of which we only get to see this haunting, enticing sliver. I utterly love it.

Treasure nothing, be willing to throw out anything. The story you just wrote that you are proud of should not be coddled and worshipped. You can do it again. If your house burned down with all your work inside it, you would still be the writer you are, and you would continue to be worth something.