The “4 stages of self-defence,” as taught by UTKM, is the basic order of operation for what you are doing when presented with conflict; be it physical, social, or otherwise. The order, moving from best option to worst, is; Avoidance, De-escalation (Defusing), Preemptive Self-defence (Strike First), Reactive Self-defence (React Last). Understanding the basics is easy, but, like all concepts, understanding when and how to apply them correctly can be trickier.