Keep Left on Transfer Stairs — Right Side Walking Chaos

Keep Left on Transfer Stairs sounds like a micro-optimization until you are at People's Park teahouse where mahjong soundtracks your afternoon.

The security guard who knows everyone's delivery habits once sent a voice note to the landlord instead of the repair guy — twice. 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.

Works for me in Chengdu humidity.