Inclusion Criteria:  · Have a main partner who is another male and have been in a relationship for 3 month or longer  One participant must be between 17 and 29; Main partner can be any age above 17. One participant must be HIV negative (as confirmed by rapid test) One participant must have used at least 1 drug in the past 90 days (cocaine/crack, opiates, misuse of prescription medication, stimulants, psychedelics, ecstasy, ketamine, GHB)  One participant must have engaged in Transmission Risk Behavior (TRB) in the past 90 days  o Defined as Condom-less Anal Sex (CAS) with a casual partner and/or CAS with a non-monogamous or serodiscordant main partner  Live in the NYC or Detroit metropolitan area Speak English  Exclusion Criteria:  · Any signs of serious mental illness or cognitive deficit  History of IPV with their main partner and safety concerns in the current relationship.