Ever been in the very last seat of a plane? Like, the one that's so close to the lavatory that you can stick your hand in it? The seat where people waiting for the bathroom have to invade as they wait?
This guy got stuck in 29E. You should really read his entire complaint letter, but for those too lazy to click, some choice excerpts:
Putting a seat here was a very bad idea. I just heard a man GROAN in there. THIS SUCKS!
I constructed a stink-shield by shoving one end of a blanket into the overhead compartment. While effective in blocking at least some of the smell... the-ass-on-my-body-factor has increased...