4.5. Rewards from interaction
In developed relationships, individuals are not just swapping rewards and cost. The interaction process itself and its features are intrinsically rewarding, unlike the rewards from objects, money, and information exchanged in the association, which are referred to as extrinsic (Blau, 1964).
Extrinsic rewards are detachable from the exchange relationship, while intrinsic rewards emerge in interaction, because the association fulfills the individual's needs (Blau, 1964).