Comment by bentt

Here's a TODO hack that really helps me:

If you finish a task that wasn't on your TODO list, don't fret. Just add it but don't check it off. Then when you come back to the list later, you check it off. This reminds you that you did it and gives you the gratification of completing it. Otherwise, the finished task will slide into oblivion and poke at your self-worth along the way.