If he responded so well to amphetamine, I would simply think he had ADHD, not a drug problem. I take amphetamines every day, and I also have a hard time working without them.
(Adderall is "mixed amphetamine salts", for those that may not know)
Folks with ADHD respond to stimulants in way that is quite different to those with more typical attention steering skills.
(Adderall is "mixed amphetamine salts", for those that may not know)
Folks with ADHD respond to stimulants in way that is quite different to those with more typical attention steering skills.