Antonyms for "get nerves" could include feelings of calm, relaxation, or tranquility. Alternatively, one might feel confident, assured, or unflappable. Rather than becoming anxious or stressed out, the antonym for "get nerves" would involve feeling calm, cool, and collected, even in the face of challenging or stressful circumstances. Some other antonyms might include being at ease, feeling secure, or experiencing a sense of peace. Whatever the specific antonym might be, it is clear that the opposite of getting nerves involves feeling in control, steady, and composed.