the counselor's warning and the rapacious addiction
A counselor, Randi, with an i, with a mustache like a Mountie, had told him in the outpatient treatment program he’d gone through two years ago that he seemed insufficiently committed to the course of action that would be required to remove substances from his lifestyle.
Context
The one outside verdict in the scene, delivered two years and a treatment program ago and promptly filed under mild scorn — the marijuana habit named, by someone with clinical standing, as an addiction as rapacious as alcoholism, and the observation that he is "insufficiently committed" to removing it. He hears the phrase, feels almost angry, and reasons that since this is the last time the situation could never recur.