I noticed this in college. My adderall-using friends and roommates would take a pill to study for a test, and sometimes that's exactly what they'd do. But somet

I noticed this in college. My adderall-using friends and roommates would take a pill to study for a test, and sometimes that's exactly what they'd do. But sometimes they'd obsessively clean their room or get into a Wikipedia editing war or corner someone and talk their ear off about a pet topic.