Antonyms for the phrase "blows a fuse" could include "stays calm," "remains composed," "stays level-headed," "keeps their cool," or "stays collected." When someone "blows a fuse," it often indicates that they have become very angry or frustrated, and are reacting strongly to a situation. Antonyms for this phrase would suggest that someone is able to handle a situation without becoming overwhelmed or losing their temper. These phrases could apply to a variety of contexts, from a stressful work situation to a personal disagreement with a friend or family member. By demonstrating the opposite of "blowing a fuse," we can show that we are capable of managing our emotions and remaining calm under pressure.