Board End Cars When Crowded — Middle Doors Pack First

Board End Cars When Crowded sounds like a micro-optimization until you are at the Panda Base gift shop where everyone buys the same bamboo hat.

The security guard who knows everyone's delivery habits once stood in pepper steam for twenty minutes because I misread the lunch rush. The fix took less time than telling the story.

Try this once: write the rule on your phone lock screen for three days. If it survives, it is yours.

Not gospel.