Similar to 返報性の原理

Interpersonal relationship

Template:Close relationships

Men Going Their Own Way

Attachment disorder

Back-up partner

Imaginary friend

Betrayal

Sadomasochism

Sexual capital

Crime boss

Family

Emotionally focused therapy

Wound licking

Codependency

Sibling relationship

Giri (Japanese)

Marriage of state

Consanguinity

Legal guardian