On the second one first, look, the good part is that we know that supporting families and social environments, as our colleague from Iceland spoke about, works really, really well.
What we also know is that those kinds of environments not only help people not develop substance use issues, but then, also, what's going to happen to them when they leave treatment, right? You're talking about people who have 10, 20 and 30 years of life after that. They need to stay well. These kinds of environments are really, really key.
One of the things that's most in common across all these things, and it is dramatic, the differences.... For example—