[This post is part of a series on “Mental models and beliefs: an exercise to identify yours.” If you don’t see a Table of Contents to the left, click here to view the series, where you’ll get more value than reading just this post.] You want to do something meaningful. You know it will take resources -- time, energy, attention, etc. You have your goals. You have a general plan. So far so good. Most people get this far. How do you finish your project? How do you stick with it despite inevitable distractions? Would you be amazed to find you can use those distractions in your favor? Today's model gives an effective way to work on something, keeping your goals in mind, avoiding getting…