i listened to some clips from this appearance. he sounded a bit subdued.. like he's been beaten and whipped, and hasn't had his nap or his 'pick-me-ups' today.
Yeah, one of the differences between how stimulants work as a treatment for conditions like adhd vs as a pick me up is that. Tolerance is a minor annoyance when it’s there to mess with your neurochemistry, but as a “go drug” eventually you’ve gotta pay up. Nothing is free when it comes to using drugs to enhance beyond normal, and the further you go the more debt you accrue.
Don doesn’t care for the reason that they make him feel good. Those around him don’t care because all he has to do, is survive long enough to get into office. Then they’ll be hoping he kicks the bucket so they can all take over.