Billy Idol revealed that he traded one vice for another during the height of his addiction struggles in the 1980s. The hitmaker, 70, said that smoking crack helped him quit heroin during a Monday, March 2, appearance on Club Random with Bill Maher. Idol admitted that it was "so terrible" getting off heroin, which is why he would never do the drug again. Idol echoed Boy George's comments that it feels like "your skeleton is trying to get out of your body," adding, "That's how uncomfortable [it is.