We have been focusing on situational awareness over the last few months and how it applies in different situations. This week's link discusses situational awareness, proxemics and personal security.
Determining the proximity of a threat and how to gauge distance as part of your personal security, helps you avoid an aggressor.
Much of dealing with a potential issue, is avoiding an issue in the first place. Planning your escape route is next on the list to getting away from a threat. There is some great information in the article. In short, the author is going to help explain how you can be prepared and perceptive without being paranoid.