If you have 10 minutes to spare, watch this video.

Every month, MDTS puts out a short video. They've had good things to say in the other videos I've watched, but this month's video will help just about anyone.

I've tried to get across similar points in my blog posts - mainly, avoid confrontation whenever possible, and pay attention to your surroundings - but this is an excellent description of a thought process that might one day save your life.