“…Among treatment seeking populations, a range of social factors emerge as strong predictors of relapse, including offers to use substances from friends and family (Eddie & Kelly, 2017; Stout, Kelly, Magill, & Pagano, 2012) as well as social stressors and relationship conflict (Knight & Simpson, 1996; Leach & Kranzler, 2013). Indeed, longitudinal research with populations of substance users suggests that, above and beyond the substance users’ own behaviors, social behaviors of their close others longitudinally predict relapse at follow-up (Fairbairn & Cranford, 2016; O’Farrell, Murphy, Neavins, & Van Hutton, 2000).…”