The arm rests at the back are slowly sinking

[TightSlot]

Originally Posted by lek

...I'll do as I did in the 5th hour of a 20 hour flight, grab the seat and push the whole thing forward outa my face...

A mature, considered and considerate response to the circumstances. It is tempting to try and debate with you, but I have a horrible feeling that this might be a waste of time. Possibly somebody else would be kind enough to explain why aggression can lead to violence, and why both are a bad idea onboard an aircraft.