Emotional intelligence involves the ability to understand and manage emotions. It includes self-awareness of one's feelings and moods, managing emotions in socially appropriate ways, using emotions to motivate goal achievement, empathizing with others, and having strong social skills. Emotional intelligence can be measured through tests like the Bar-On EQ-i, MSCEIT, and ECI. It has branches involving perceiving, facilitating thought with, understanding, and regulating emotions. High emotional intelligence allows one to handle difficulties well, resolve conflicts, relax and energize, and increase creativity.