sentences:  The closer the other person’s position comes to a person’s latitude of acceptance, that position will seem closer than it actually is
  
  Social Exchange Theory (Thibaut and Kelley)
  
  The major force in interpersonal relationships is the satisfaction of both people's self-interest.Self-interest is not necessarily bad and can actually enhance relationships.Interpersonal exchanges are analogous to economic exchanges where people are satisfied when they receive a fair return on their expenditures.