There is little doubt that a connection exists between violence in intimate relationships (child abuse, woman abuse, spouse abuse) and substance addiction. The exact nature of this relationship is difficult to determine as confounding variables are hard to control for and the exact context of problem behaviors is hard to represent in studies. The incidence of poly-substance abuse and intimate violence is another area that has only recently been the subject of study. The Violence and Addiction Equation is an empirically based work that bridges the relationship between violence and substance...