Dr. Kim R. Grimes explains that personal boundaries—clear, consistent limits on what you will and will not accept—are the cornerstone of healthy relationships. She outlines a five-step process: recognize your triggers, communicate limits concisely, enforce them without wavering, avoid lengthy justifications, and anticipate pushback from those who profit from your over-giving. Saying “no” is reframed as self-care rather than selfishness, and listeners are challenged to set one concrete boundary this week to protect their peace, energy, and self-respect.