Coaddictions are relational dependencies where at least one member has a superimposed substance addiction. There are two types of coaddictions: bidependence and codependence. In substance addiction bidependence is added to dependence of people. By contrast, in codependence a normal subject (not addicted) becomes emotional dependent on an adict subject. In summary, while the bidependent is a double dependent of drugs and people, the codependent is a normal person who depends on an addic