YSK how to defend yourself using violence if necessary. It could save your life.

Most people (myself included) have a very negative idea about violence: only bad people use it. But it's important to acknowledge that violence isn't inherently negative. It's all about what it's being used for. In some self defense situations it can be absolutely necessary to be a violent person in order to save your own life. You should know when to diagnose those moments, and how to react if you ever find yourself in one. An story demonstrating that point and more information can be found here.