The garbage can in the kitchen is overflowing. You carefully balance a newly empty cereal box on the very top of the precarious trash mountain, playing a high-stakes game of Jenga to avoid taking the bag out. When it inevitably collapses, you finally pull the bag out, tie it tightly, and... leave it sitting directly next to the can.
Two days later, the bag is still there. You step over it multiple times a day. Every time you step over it, a voice in your head screams: "Just pick it up! It takes literally ten seconds! You are a disgusting, lazy human being!" But your hands refuse to grab the plastic drawstrings.
This is the quintessential ADHD chore paralysis. It is not an issue of morality, laziness, or personal hygiene. It is an issue of 'Task Economics.' The ADHD prefrontal cortex heavily weighs the 'Switching Cost' of any activity. If you are currently comfortable on the couch (low sensory input, stable), taking out the trash requires you to transition into an environment with high sensory demands (finding shoes, getting cold outside, touching something gross).
Because your dopamine reservoir is empty, your brain calculates that you cannot afford the transaction fee to change environments. To protect you from this cognitive bankruptcy, the brain initiates Pathological Demand Avoidance (PDA)—the more you demand yourself to do it, the more violently the nervous system rebels. To break the freeze, you must 'piggyback' the chore onto an existing momentum.