We as a human, are born with the privilege of expressing ourselves with numerous amount of emotions. Every part of our body responds naturally when we feel what we cross through in our lives. Emotions convey information more than words in expressing feelings. — In user’s testing, listening to user’s emotions like fear, trust, security, happiness, joy, sadness, depression, anxiety, anger, confusion, surprise while they interact with the product is one of the major parts which help you to understand your product quality.