Once you have decided you are willing to use force to defend yourself and the people you care about, you should expand your level of awareness. Col. Jeff Cooper of Gunsite applied the color codes to personal defense and awareness. This paradigm is helpful for understanding how to think through and process the world around you. He breaks it into four categories:
If you have never read or heard Col. Cooper, then sit down and listen. While the video is old and grainy, his presentation and illustrative stories are entertaining. For anyone serious about personal defense, it is well worth your time to watch...