The term "be livid" implies a state of extreme anger or annoyance. Antonyms for this phrase include peaceful, relaxed, calm, and serene. While being livid can lead to negative emotional and physical reactions, such as increased heart rate and blood pressure, being peaceful can bring immense benefits to one's health and well-being. By practicing relaxation techniques, such as meditation or yoga, individuals can reduce stress levels and boost their overall sense of calm. Moreover, adopting positive thinking patterns and actively seeking out enjoyable activities can promote happiness and contentment, leading to a more serene and fulfilling life.