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An interpersonal relationship is an association between two or more people that may range in duration from brief to enduring. This association may be based on inference, love, solidarity, regular business interactions, or some other type of social commitment. Interpersonal relationships are formed in the context of social, cultural and other influences. The context can vary from family or kinship relations, friendship, marriage, relations with associates, work, clubs, neighborhoods, and places of worship. They may be regulated by law, custom, or mutual agreement, and are the basis of social groups and society as a whole.
Types of relationships 
A relationship is normally viewed as a connection between individuals, such as a romantic or intimate relationship, or a parent–child relationship. Individuals can also have relationships with groups of people, such as the relation between a pastor and his congregation, an uncle and a family, or a mayor and a town. Finally, groups or even nations may have relations with each other, though this is a much broader domain than that covered under the topic of interpersonal relationships. (See such articles as international relations for more information on associations between groups). Most scholarly work on relationships focuses on the small subset of interpersonal relationships involving romantic partners in pairs or dyads.
Interpersonal relationships usually involve some level of interdependence. People in a relationship tend to influence each other, share their thoughts and feelings, and engage in activities together. Because of this interdependence, most things that change or impact one member of the relationship will have some level of impact on the other member.
Field of study 
The study of interpersonal relationships involves several branches of the social sciences, including such disciplines as sociology, psychology, anthropology, and social work.Interpersonal skills are extremely vital when trying to develop a relationship with another person. The scientific study of relationships evolved during the 1990s and came to be referred to as 'relationship science', which distinguishes itself from anecdotal evidence or pseudo-experts by basing conclusions on data and objective analysis. Interpersonal ties are also a subject in mathematical sociology.
Interpersonal relationships are dynamic systems that change continuously during their existence. Like living organisms, relationships have a beginning, a lifespan, and an end. They tend to grow and improve gradually, as people get to know each other and become closer emotionally, or they gradually deteriorate as people drift apart, move on with their lives and form new relationships with others. One of the most influential models of relationship development was proposed by psychologist George Levinger. This model was formulated to describe heterosexual, adult romantic relationships, but it has been applied to other kinds of interpersonal relations as well. According to the model, the natural development of a relationship follows five stages:
- Acquaintance – Becoming acquainted depends on previous relationships, physical proximity, first impressions, and a variety of other factors. If two people begin to like each other, continued interactions may lead to the next stage, but acquaintance can continue indefinitely.
- Buildup – During this stage, people begin to trust and care about each other. The need for intimacy, compatibility and such filtering agents as common background and goals will influence whether or not interaction continues.
- Continuation – This stage follows a mutual commitment to a long-term friendship, romantic relationship, or marriage. It is generally a long, relative stable period. Nevertheless, continued growth and development will occur during this time. Mutual trust is important for sustaining the relationship.
- Deterioration – Not all relationships deteriorate, but those that do tend to show signs of trouble. Boredom, resentment, and dissatisfaction may occur, and individuals may communicate less and avoid self-disclosure. Loss of trust and betrayals may take place as the downward spiral continues, eventually ending the relationship. (Alternately, the participants may find some way to resolve the problems and reestablish trust.)
- Termination – The final stage marks the end of the relationship, either by death, or by separation.
Friendships may involve some degree of transitivity. In other words, a person may become a friend of an existing friend's friend. However, if two people have a sexual relationship with the same person, they may become competitors rather than friends. Accordingly, sexual behavior with the sexual partner of a friend may damage the friendship (see love triangle). Sexual activities between two friends tend to alter that relationship, either by "taking it to the next level" or by severing it.
Flourishing relationships 
Positive psychologists use the term "flourishing relationships" to describe interpersonal relationships that are not merely happy, but instead characterized by intimacy, growth, and resilience. Flourishing relationships also allow a dynamic balance between focus on the intimate relationships and focus on other social relationships.
While traditional psychologists specializing in close relationships have focused on relationship dysfunction, positive psychology argues that relationship health is not merely the absence of relationship dysfunction. Healthy relationships are built on a foundation of secure attachment and are maintained with love and purposeful positive relationship behaviors. Additionally, healthy relationships can be made to "flourish." Positive psychologists are exploring what makes existing relationships flourish and what skills can be taught to partners to enhance their existing and future personal relationships. A social skills approach posits that individuals differ in their degree of communication skill, which has implications for their relationships. Relationships in which partners possess and enact relevant communication skills are more satisfying and stable than relationships in which partners lack appropriate communication skills.
Adult attachment and attachment theory 
Healthy relationships are built on a foundation of secure attachments. Adult attachment models represent an internal set of expectations and preferences regarding relationship intimacy that guide behavior. Secure adult attachment, characterized by low attachment-related avoidance and anxiety, has numerous benefits. Within the context of safe, secure attachments, people can pursue optimal human functioning and flourishing. This is because social acts that reinforce feelings of attachment also stimulate the release of neurotransmitters such as oxytocin and endorphin, which alleviate stress and create feelings of contentment. Attachment theory can also be used as a means of explaining adult relationships.
In his triangular theory of love, psychologist Robert Sternberg theorizes that love is a mix of three components: some (1) passion, or physical attraction; (2) intimacy, or feelings of closeness; and (3) commitment, involving the decision to initiate and sustain a relationship. The presence of all three components characterizes consummate love, the most durable type of love. In addition, the presence of intimacy and passion in marital relationships predicts marital satisfaction. Also, commitment is the best predictor of relationship satisfaction, especially in long-term relationships. Positive consequences of being in love include increased self-esteem and self-efficacy.
Referring to the emotion of love, Psychiatrist Daniel Casriel defined the “logic of love” as “the logic of pleasure and pain” in the concept of a "Relationship Road Map" that became the foundation of PAIRS' relationship education classes.
”We are drawn to what we anticipate will be a source of pleasure and will look to avoid what we anticipate will be a source of pain. The emotion of love comes from the anticipation of pleasure.”
Based on Casriel’s theory, sustaining feelings of love in an interpersonal relationship requires “effective communication, emotional understanding, and healthy conflict resolution skills.”
Theories and empirical research 
Confucianism is a study and theory of relationships especially within hierarchies. Social harmony—the central goal of Confucianism—results in part from every individual knowing his or her place in the social order, and playing his or her part well. Particular duties arise from each person's particular situation in relation to others. The individual stands simultaneously in several different relationships with different people: as a junior in relation to parents and elders, and as a senior in relation to younger siblings, students, and others. Juniors are considered in Confucianism to owe their seniors reverence and seniors have duties of benevolence and concern toward juniors. A focus on mutuality is prevalent in East Asian cultures to this day.
Minding relationships 
The mindfulness theory of relationships shows how closeness in relationships may be enhanced. Minding is the "reciprocal knowing process involving the nonstop, interrelated thoughts, feelings, and behaviors of persons in a relationship." Five components of "minding" include:
- Knowing and being known: seeking to understand the partner
- Making relationship-enhancing attributions for behaviors: giving the benefit of the doubt
- Accepting and respecting: empathy and social skills
- Maintaining reciprocity: active participation in relationship enhancement
- Continuity in minding: persisting in mindfulness
Culture of appreciation 
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After studying married couples for many years, psychologist John Gottman has proposed the theory of the "magic ratio" for successful marriages. The theory says that for a marriage to be successful, couples must average a ratio of five positive interactions to one negative interaction. As the ratio moves to 1:1, divorce becomes more likely. Interpersonal interactions associated with negative relationships include criticism, contempt, defensiveness, and stonewalling. Over time, therapy aims to turn these interpersonal strategies into more positive ones, which include complaint, appreciation, acceptance of responsibility, and self-soothing. Similarly, partners in interpersonal relationships can incorporate positive components into difficult subjects in order to avoid emotional disconnection.
In addition, Martin Seligman proposes the concept of Active-Constructive Responding, which stresses the importance of practicing conscious attentive listening and feedback skills. In essence, practicing this technique aims to improve the quality of communication between members of the relationship, and in turn the gratitude expressed between said members.
Capitalizing on positive events 
People can capitalize on positive events in an interpersonal context to work toward flourishing relationships. People often turn to others to share their good news (termed "capitalization"). Studies show that both the act of telling others about good events and the response of the person with whom the event was shared have personal and interpersonal consequences, including increased positive emotions, subjective well-being, and self-esteem, and relationship benefits including intimacy, commitment, trust, liking, closeness, and stability. Studies show that the act of communicating positive events was associated with increased positive affect and well-being (beyond the impact of the positive event itself a). Other studies have found that relationships in which partners responded to "good news" communication enthusiastically were associated with higher relationship well-being.
Other perspectives 
Neurobiology of interpersonal connections 
There is an emerging body of research across multiple disciplines investigating the neurological basis of attachment and the prosocial emotions and behaviors that are the prerequisites for healthy adult relationships. The social environment, mediated by attachment, influences the maturation of structures in a child's brain. This might explain how infant attachment affects adult emotional health. Researchers are currently investigating the link between positive caregiver–child relationships and the development of hormone systems, such as the HPA axis.
Researchers are developing an approach to couples therapy that moves partners from patterns of repeated conflict to patterns of more positive, comfortable exchanges. Goals of therapy include development of social and interpersonal skills. Expressing gratitude and sharing appreciation for a partner is the primary means for creating a positive relationship. Positive marital counseling also emphasizes mindfulness. The further study of "flourishing relationships could shape the future of premarital and marital counseling as well."
Some researchers criticize positive psychology for studying positive processes in isolation from negative processes. Positive psychologists argue that positive and negative processes in relationships may be better understood as functionally independent, not as opposites of each other.
See also 
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- Intimate relationship
- Interpersonal attraction
- Interpersonal tie
- Outline of relationships
- Relationship status
- Relationship forming
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