This study tests the effectiveness of a behavioral intervention to reduce sexual risk behavior in HIV-positive, methamphetamine-using men who have sex with men (MSM). It builds on the findings of a previous study (R01 DA012116, "Promoting safer sex in HIV+ homosexual and bisexual men who use methamphetamine"). That study achieved significant short-term results that eroded over time. Accordingly, this study hypothesizes that the addition of a maintenance component to the already proven counseling and educational components of the treatment model will result in longer-lasting positive effects.