It’s been months, years, even decades since he’s gone near the drug. But uncontrollable circumstances put him back where he always used the drug back when—back on that same street corner, in that same music studio, back in the same overstuffed armchair near the bar in the country club—and the craving comes roaring back like it was yesterday. The capacity to induce that craving doesn’t necessarily decline with time; as many drug abusers in that situation will say, it is as if they had never stopped using.