“…Common emotions associated with holding grudges are anger, sadness, shame, and regret (Struthers et al, 2008;van Oyen Witvliet et al, 2001). People who hold grudges may ruminate about the transgression, resulting in prolonged negative mood states, increased uncertainty, and potential avoidance of the transgressor (Struthers et al, 2017;see Watkins & Roberts, 2020, for a discussion of rumination). Prolonging these feelings can lead to increased vulnerability to physiological issues, including high blood pressure, decreased cardiovascular health, stomach ulcers, and an increase in pain disorders (Messias et al, 2010;van Oyen Witvliet et al, 2001).…”