Martin disclosed something personal to his friend tony. afterward, tony felt as though he had to disclose something personal in return. tony's feelings exemplify which principle?

The feelings of Tony that he is experiencing exemplifies the principle of norm of reciprocity. This is the principle where a person would feel that he or she needs to return a favor after the person whom she or he has favors with. Tony likely feels that he needs to return the favor to Martin because Martin had disclosed something personal to him in which Tony expects that he should do too.