I title each post-it "Dear" and the date. It is simple, but wonderful. Plus you don't harm the book in the process, which is a thought which brings me a lot of simple joy.
It started grating on me so much, that I felt irrationally angry whenever I had my lamp on and realised that the Feeble Light was still on, doing his best to grace me with his presence. Yet, he was so dim I did not idea he was there.