For every addict, there are many responsible adults that can set healthy boundaries and have a positive relationship with recreational drugs. This article is for them.
And for every adult who believes they have healthy boundaries with recreational drugs, how many are addicts? Based on my experience, I find the words healthy and recreational to be carrying too much water in this context.
A responsible adult prepares in advance for any risk of something horrible happening. This is why sober Trip Sitters exist. There is actually a market for this; you can pay someone to be your designated driver of drugs. Very common