The goal of this investigation was to specify associations among negative mood regulation expectancies, generalized attachment representations, and conflict tactics in a sample of college students involved in a romantic relationship. It was predicted that attachment representations would moderate associations between negative mood regulation expectancies and conflict management tactics. Participants were 130 college students involved in a steady romantic relationship. They were administered the Adult Attachment Interview (George, Kaplan, & Main, 1996), questionnaires that assessed negative mood regulation expectancies, and were observed for 15 min resolving conflict with their romantic partner. The results confirmed the hypotheses. For example, secure youth with high negative mood regulation expectancies displayed good conflict management behavior, whereas dismissing youth who reported high confidence displayed more undesirable behavior. Implications for future research are discussed.