Washer voltage goes from a high value to a low value, then in 30 minutes (when the cycle will be done) turn an rgb lightbulb in a conspicuous location a hellish magenta. No more funky forgotten loads of laundry. Passes the partner test, too.
Just on your last point, sugar is not more addictive than narcotics. That’s complete bunk. Provide a primary source for that claim if you want to refute me, but all those headlines about that topic were sensational and were basically based on sugar lighting up the same part of the brain as narcotics, namely the pleasure areas. So we like them both, but that has no bearing on addictiveness.