Remember this well. There are two kind of fights. As long as we place ourselves in battle, we must always know the difference: fights to defend life. . . and fights to defend pride.
There were studies that asked people in different cultures to draw pictures of their enemies, and the pictures all looked remarkably the same. They always had exaggerated canine teeth and a certain sort of expression. That led to speculation about whether at an earlier stage in the human experience we were hunted by some sort of carnivore.