Kevin Polk at the VA in Togus, Maine, USA has collaborated with Jerold Hambright and Mark Webster to develop "The Matrix" as a way of thinking about and engendering psychological flexibility. It is a simple yet elegant way to understand and experience the complex phenomenon of being human.
Read more about Polk's work on his Psychological Flexibility Blog. Check out the series on YouTube:
Also visit the ACT By Numbers website, a place to practice applying the Matrix to enhance specific valued life domains.