"Yeah, it is. The best is advise on that is get to the end of the week. Once you're passed the week, the urge really deflates and you just remember the bad feelings. Right now, it's mostly a 'oh, that was nice' sort of thing." And if Sam did get addicted then Jonathan could help more but for now, it was getting through that week that was always key for preventing hardcore addiction.

"It's interesting, to see how his brain responds to a stimulant. No ADHD in that one." No surprises there, he didn't think Sam's brain worked chemically in that direction. He felt he was more an OCD sort.