Sharing our emotions with robots: why do we do it and how does it make us feel?

Self-disclosure and the social sharing of emotions facilitate social relationships and can positively affect people's well-being. Nevertheless, individuals might refrain from engaging in these interpersonal communication behaviours with other people, due to socio-emotional barriers, such as shame and stigma. Social robots, free from these human-centric judgements, could encourage openness and overcome these barriers. Accordingly, this paper reviews the role of self-disclosure and social sharing of emotion in human-robot interactions (HRIs), particularly its implications for emotional well-being and the dynamics of social relationship building between humans and robots. We investigate the transition of self-disclosure dynamics from traditional human-to-human interactions to HRI, revealing the potential of social robots to bridge socio-emotional barriers and provide unique forms of emotional support. This review not only highlights the therapeutic potential of social robots but also raises critical ethical considerations and potential drawbacks of these interactions, emphasising the importance of a balanced approach to integrating robots into emotional support roles. The review underscores a complex but promising frontier at the intersection of technology and emotional well-being, advocating for careful consideration of ethical standards and the intrinsic human need for connection as we advance in the development and application of social robots.