Rule 6: Never engage, even if they look normal. If they are trying to talk to you on public transportation, we promise you they are not normal.
Rule 7: It's cool if you want to try and "surf" without holding on to anything, but if you fall into me, I will end you.
Rule 8: DO offer your seat up to the elderly, pregnant, and infirm. DO NOT sit there with your headphones in pretending you don't see someone's Grandma.
Rule 9: Don't mess with Epic Beard Man.
Rule 10: If you're waiting to step off and the person in front of you doesn't know how, touch the rail/step down for them with as little eye-rolling/exasperated sighing as possible. They're new here.