Making lists and checking them twice is a habit for me. I make lists constantly: for work, for the store, for home, books to read, blog posts to write, things to learn, and more. There is something very satisfying for me to check something off a list. I have been known to add something already done to a list just to check it off.
Having a cute list notepad makes list-making even more pleasurable. The one I am currently using at work is GSD by Meg Biram (available here). Here are a few other cute notepads that I am thinking of adding to my collection: