“…Yet, compared to the volume of research that has focused on heterosexual youth’s relationships, less is known about the relationship experiences, attitudes, and outcomes for sexual minority youth (i.e., youth who do not identify as heterosexual in terms of identity, desires, or behaviors) (Collins, Welsh, & Furman, 2009). Prior research among sexual minority couples has utilized several relationship theories, including attachment theory (Cook and Calebs, 2016), interdependence theory (Darbes, Chakravarty, Neilands, Beougher & Hoff, 2014), and the investment model (Kurdek & Schmitt, 1986), to examine the context and predictors of relationship quality and dissolution, but no single theory has emerged as dominant. Nor has there been much attention to the impact of relationship dissolution on mental health outcomes.…”