When people make a conversation, they would want to worry about the impression or messages they convey to the other person and vice versa. How shall they respond to the acquaintance? Or how shall they respond to certain actions from another human being? These forms of social interactions and deliberations are what distinguish us human beings from other organisms. We are different because we make rational decisions whereas they react simply to stimuli, governed by instincts. According to Cognitive Social Psychology, human beings are reasonable creatures because we have advanced cognitive capacity to make logical choices about behaviors based on ourselves and the world around us. People's decisions are based on the understanding of the environment, including particular objects or events and the context in which those objects appear. When we encounter a stimulus, we make assessment about its meaning, and choose an appropriate response for it. Perception and cognition are no longer considered passive but rather active process on which we reinforce our own interpretation. They are understood as valuable instruments for a thoughtful organism adapting to its environment. (Gregory C. Elliott). Human perception is often influenced by the motivations underlying our participation in a social encounter. Our feelings and motives could lead to a biased understanding of what happened and why. Throughout a lifetime, our cognitive capacity varies with environment, interaction, and age. In the earliest stage, basic social development depends largely on interaction and bonding with people, especially parents or caretakers. Later on in teenage years, the influence from peers and society seeps into the process of an individual’s self-concept, set of all an individual's beliefs about his or her personal qualities, formation. Despite our attempts to be rational, there is