Usually we define our mate value as a traits. That is called 'Classic model' in Social Exchange theory. However, in this presentation, we will introduce 'Relational model', which examines person's 'uniqueness'. In this paper the author found that as time goes by, the mate value rate will be more precise when we apply Relational Model. Instead of Classical Mate model. Thus, we are going to discuss how they measure of these traits in detail.