Information processing system, communication device, control method, and storage medium

[Problem] To provide an information processing system, a communication device, a control method, and a storage medium that can generate a positive interaction between a person and a person or between objects as a feeling value. [Solution] An information processing system provided with: a communication unit for receiving information related to a positive interaction that a first object expressed to a second object and information related to a positive interaction that the second object expressed to the first object; and a control unit for generating a feeling value for the first object on the basis of at least part of the received information related to the positive interactions.