The goal of the proposed study is to evaluate the efficacy of 2 couple-focused interventions developed to reduce the psychological distress on women and their partners during and after the breast cancer experience. The first group, an Enhanced Couple-Focused Group (ECG), incorporates cognitive-behavioral interventions (e.g., relaxation, stress management skills) as well as basic relationship communication and support skills (e.g., expressing support needs constructively). The second group, a Couples' Support Group (SG), is a non-structured group where general topics are discussed. The investigators will evaluate the impact of each group condition on patients' psychological adaptation, social and role functioning, and cancer treatment adherence. The investigators will also evaluate whether patient and partner perceptions of relationship support, relationship intimacy, stress management skills, and intervention group support mediate the groups' effects on each other's psychological adaptation.