It took 15 entries into rehab before the late actor Matthew Perry found long-term sobriety, he wrote in his memoir, “Friends, Lovers and the Big Terrible Thing.” And after his death, loved ones and fans alike are honoring his commitment to recovery. “I’ve had a lot of ups and downs in my life and a lot of wonderful accolades,” Perry told The Hollywood Reporter in 2015. “But the best thing about me is that if an alcoholic comes up to me and says, ‘Will you help me stop drinking?’ I will say, ‘Yes. I know how to do that.’” Having spent years advocating for people with substance use disorder, why did it take so long for him — and so many others in the public eye — to reach a point of sustained sobriety? To read the full story.