Phatic communication is a scanning process of superficial conversation in which we determine whether a relationship will develop. Couples who live at a distance must work very hard to maintain a relationship. Networking is asking friends about a person you want to meet or know more about. Similarity of beliefs and values increases two people's liking each other. Liking also increases if it is reciprocal.
Physical attraction is important.
Four requirements for a more permanent relationship are Self-disclosure by both participants. Positive interpersonal perceptions. Sharing information about each other's self-concepts. Predictions made and fulfilled about desired responses from the other person. Shared expectations help maintain the relationship.