According to various aspects of the present disclosure, a system and associated method and functions to determine an emotional state of a user are disclosed. In some embodiments, the disclosed system includes a data acquisition unit, an emotion determination unit, and an emotion reporting unit. The data acquisition unit is configured to detect user information including physiological and non-physiological data associated with the user. The emotion determination unit is operatively connected to the data acquisition unit, and is configured to process the user information to determine an emotional state of the user. The emotion reporting unit is configured to communicate the emotional state based on a predetermined reporting preference to an application of a communication device, e.g., a social-networking application to share the emotional state of the user such that other members of the social network associated with the user are notified of the users emotional state.