Antonyms for the phrase "more worked up" include calm, relaxed, composed, serene, and placid. These words all indicate a state of peacefulness and tranquility, which is the opposite of being agitated, anxious, or stressed. To stay calm and focused in the face of adversity is a useful skill that can help one maintain mental and emotional balance. Likewise, being relaxed and composed helps one better handle challenging situations with clarity and mindfulness. So, if you find yourself feeling too worked up, try taking deep breaths or going for a walk outside to clear your mind and help you feel calmer and more centered.