When I was in my early 20's a good friend of mine (mid 30's) was on the methadone program. He functioned more or less fine all things considered, but used to g

When I was in my early 20's a good friend of mine (mid 30's) was on the methadone program. He functioned more or less fine all things considered, but used to get a little more than he needed and would trade the excess for weed with a guy who used occasionally. They were only small amounts, and it was methadone rather than heroin so all of those caveats apply, but the situation seemed harmless enough to me at the time. I remember that sometimes he'd be a little more out of it than normal, though, and it was when he'd have his supervised "usual" dose as a part of the program rather than the takeaway prescription. Not sure why the weed dealer didn't get on the program himself, but I don't know what's involved -- maybe he really was one of the mythical recreational users, or maybe he was selling it on (seems unlikely in such small amounts, but that would depend on how many people he had that same arrangement with).