What is the meaning of he who lives by fighting with an enemy has an interest in the preservation of enemy's life-friedrich nietzsche?

This quote by Friedrich Nietzsche suggests that when one's existence depends on conflict or opposition, they are motivated to maintain the existence of their adversary. In other Words, the continuation of the enemy's life becomes beneficial for the person who thrives on the struggle or rivalry. It highlights the interconnected nature of opposing forces and the paradoxical relationships that can exist in conflict situations.