This study aims to provide preliminary evidence of the efficacy of couple-based intervention over usual care in HIV serodiscordant couples in China. The investigators hypothesize that couple-based intervention would be more effective than usual care concerning both partners' quality of life and relationship satisfaction. The investigators also pilot the feasibility, acceptability, and appropriateness of the intervention content and implementation. HIV serodiscordant couples in the intervention arm will receive three sessions of dyadic intervention. In contrast, couples in the control arm will receive usual care.
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Change of Health-related Quality of Life
Timeframe: Baseline, one month (immediately after the last session of intervention), and two month
Change of Relationship Satisfaction
Timeframe: Baseline, one month (immediately after the last session of intervention), and two month
Perceived Acceptability, Appropriateness, and Feasibility
Timeframe: One month (immediately after the last session of intervention)