What is the Difference between Weakness of Will and Compulsion?

Orthodoxy holds that the difference between weakness of will and compulsion is a matter of the resistibility of an agent's effective motivation, which makes control-based views of agency especially well equipped to distinguish blameworthy weak-willed acts from non-blameworthy compulsive acts. I defend an alternative view that the difference between weakness and compulsion instead lies in the fact that agents would upon reflection give some conative weight to acting on their weak-willed desires for some aim other than to extinguish them, but not to their compulsive desires. This view allows identificationist theorists of moral responsibility to explain why weak-willed actions, but not compulsive actions, are attributable to agents such that they can, in theory, be praised or blamed for them. After motivating and presenting the view in detail, I show how it has unique resources for explaining the ethics of managing one's compulsions.