Happiness, anger, love, fear, sadness, pride, or excitement; expressing emotions plays a major role in our daily lives as living beings. The ability to show emotions enables us to convey our feelings, opinions, moods, or thoughts, making it possible for the outside world to better understand someone. Emotions serve as a connection, perhaps even creating a deep bond. Whether they are negative or positive emotions, one way or another, they are an important aspect of human life and crucial for building meaningful relationships.

This becomes an intrinsic trait for robots to mimic. Much like our ability to express feelings, robots are designed with nuanced facial expressions, tone variations, and responsive behaviors to bridge the gap in emotional communication. While lacking genuine emotions, they navigate this terrain to interpret and mimic emotional states, enhancing the quality of interactions in human-robot relationships. This integration of emotional understanding in robotics allows transforming machines into empathetic and meaningful companions.