Summarize into six grade level: "Melnick emphasizes that while you can control your own actions and attitude, dealing with the challenging behaviors of others is still a necessity. She recommends addressing issues with a difficult coworker or employee by calmly pointing out their undesirable behavior, explaining its effects on both the team and the individual, and asking for a change. For instance, dealing with persistent negativity could involve gently explaining, "Your critical tone makes others uneasy and diminishes their view of you as a leader. While I recognize your concerns, I'd prefer you to discuss them with me directly so we can find solutions together." This approach of shifting the problem's responsibility can lead to more effective resolution