Addiction can be a vicious cycle, with 40 to 60% of addicts relapsing after they quit. KOH's Daniela Sonnino sat down with one of our addicts from last year, Tom, who spent time in rehab to get clean. We find out if he still is, and how he's dealing with life in part four of our five part series "A Prescription for Addiction: The Opioid Crisis One Year Later."