Throwing chewing-gum in the trash bin is gonna get less chewing-gum on your shoes.
Sit all over the place at rush hour and you might get scolded.
Jump over the tourniquets and you could stumble over a ticket inspector on the platform.
Huddle up to get in and you block the others from getting out.
Block the doors when the train leaves and everyone's gonna arrive late at their destination.
Elbowing out 5 people when you get in isn't gonna make the train leave faster.
Cuddle up on the escalator and you're basically creating a traffic jam.
Take off your backpack and you won't bother the other passengers.
Stain the seats now and you risk sitting on a stain next time.
