"...take whatever you have, and defend yourself as best you can, and never give up. The only sure thing is that if you give up, you lose..."

Very true. My main worry is that many people, as soon as they get their hands on some "tool" (for lack of a better word here) they think that they are safe, and can take on the world. When I was in the service I saw several fights between Marines right out of boot camp, and a sailor with a tad more experience. While the Marine was trying to remember how to use some of that fancy stuff he just learned, the sailor ended the fight with one punch...