# Behavior Change [Thirteen Virtues](http://www.thirteenvirtues.com/) - "In 1726, at the age of 20, Benjamin Franklin created a system to develop his character. In his autobiography, Franklin listed his thirteen virtues..." ## Habits [Atomic Habits Cheatsheet](https://s3.amazonaws.com/jamesclear/Atomic+Habits/Habits+Cheat+Sheet.pdf) #pdf [Atomic Habits Resources](https://jamesclear.com/atomic-habits/resources) - "Below, you'll find a list of useful downloads, templates, and bonuses that will help you make the most of the ideas covered in the book." [Timecap](https://timecap.app/) #app - "The only productivity app you will ever need. Get stuff done and reach your goals faster. Timecap is a unique habit tracker that tracks time-based, count-based, and simply completable activities and habits." Android and iOS. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://brain.nathanarthur.com/behavior-change.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.