So what is self-defense? We can say that using whatever means necessary to quickly end a violence situation that offers you grievous bodily harm. Self defense is the way to come out from the danger. First and the best way is to run out from the situation, it is also one of the way of self defense. This is the way of not putting yourself in the situation of violence. In other words we can say that we should end immediately a physical threat by simple physical application. Self-defense is legal. When you are walking and someone unexpectedly attacks you due to the demand of money then defending yourself is the self-defense. You can find the online self defense classes to start learning this skill. groningenstadmarathon.