ADHD is a Rollercoaster - ADHD is a condition with dysregulation of attention, energy, and emotion. ADHD life doesn't run in a steady, manageable line; it operates on a volatile rollercoaster with essentially two settings: do everything all at once, or do nothing at all.
INCUP - Interest, Novelty, Challenge, Urgency, Passion. Adults with ADHD operate with an "interest-based nervous system" rather than the "importance-based" system the rest of the world runs on.