Attitude is a way of thinking or feeling, typically reflected in a person’s behavior and body language. A person’s attitude is determined by his observation, past experiences, beliefs and environment. Attitude differs from place to place. A police officer behaves different at the police station and at home. We need to develop a realistic and positive attitude in life.
Behavior is the range of actions and mannerisms made by organisms in response to various stimuli or inputs. Our manas is a mirror. Behavior is a reflection. That is why the way the other speaks we respond back. It is influenced by culture, emotions, values, ethics, and social norms.
Emotional intelligence is the ability to recognize your emotions, understand what they're telling you, and realize how your emotions affect people around you. Emotional intelligence also involves your perception of others: when you understand how they feel, this allows you to manage relationships more effectively.