Friend asked me to hold drugs for them because they're addicted
A friend of mine is a coke addict. He's asked me to keep his drugs for him so he doesn't have easy access to them. At the minimum, he wants his drug use limited to the weekend. I'm very pro responsible use, so the deal is if he really wants the drugs back I'll give it to him.
But recently, his addiction is really concerning me. And it's negatively affecting all of his/our friends at this point. To the point where I wonder if I'm enabling him by giving the drugs back. Or if I should even accept to hold on to the drugs in the first place. Cuz at the end of the day, he needs to take responsibility for himself, I'm not always gonna be around to keep him in check.
Any advice on what to do? I want to help my friend but also not break my own brain in the process.