for example...
Damn That Whole Foods Hot Bar
Commuter dude #1: The cars on this line feel smaller.
Commuter dude #2: Yeah, it's like they're narrower by just a bit or something.
Commuter dude #1: Oh wait; I think people are just fatter.
--1 train, Upper West Side
more: http://www.overheardinnewyork.com/