The phrase "composes oneself" means to calm down, relax or collect one's thoughts. Some antonyms for this phrase would be: agitated, nervous, flustered, uneasy, restless, disturbed, upset, perturbed, and ruffled. People who are unable to compose themselves often exhibit traits of anxiety, worry, and distress. These negative emotions can lead to irrational thinking, problematic decision-making, and risky behaviour. It is essential to identify and manage these emotions to help yourself achieve a stable and untroubled mindset. Focussing on calming exercises like breathing, meditation, or physical exercise can help in developing the ability to compose oneself during stressful situations.