Emotional Intelligence is a key success factor in business and private life. As Software Engineers emotions are usually not your main focus in daily work. Our strengths are logic, algorithms, rational behavior and solving difficult puzzles.
But we have to work with others in teams, as users and customers. Mostly they have no technical background and come from complete different domains. This makes it difficult to interact with them in a proper way. One key in this definition is the separation between oneself and others. This leads to interpersonal intelligence (oneself) and intrapersonal intelligence (others) the perspective.