John and Peter may be good enemies, but that dynamic can lead to both positive and negative outcomes.
Good outcomes: Their rivalry might inspire each to improve themselves, fostering growth and competitiveness. They could also provide each other with motivation to achieve their goals, turning their conflict into a healthy form of competition.
Bad outcomes: On the other hand, a strong enmity could lead to negative feelings, conflicts, or unproductive behavior. If taken too far, their rivalry could escalate into hostility, impacting their personal lives and relationships with others.
In essence, the nature of their enmity can lead to a mix of good and bad consequences, depending on how they handle their relationship.