This one has been floating around for a few months now around the net, and is most likely familiar to you guys or gals that frequent gamer sites. Basic premise is the guy in the pic above built a video apparatus that is connected to a screen in the helmet that allows him to only be able to navigate himself from a 3rd person perspective. Try seeing yourself from the 3rd person perspective. Look at how you interact with your surrounding. Notice what brands of gum you reach for first.
You will never be able to understand the motivations of others until you understand your own.
Check out the video here