#self-controlled

• Self-controlled — Having mastery over oneself, dominated or regulated by one's own will; an individual, behavior, or emotional response guided with lucidity, avoiding impulsive or chaotic manifestations. It describes the state of a person who maintains their psychological balance and ethical conduct regardless of the intensity of external disruptive factors.
• Self-mastered — Having mastered or controlled oneself through personal willpower; a person or character who has managed to subordinate emotional impulses, desires, and instinctive drives to rigorous reason or a stable set of moral principles.