Dunno. this may have been posed already but here goes anyway
HOW TO HANDLE IRRITATING SEATMATES
If you are sitting next to someone who irritates you on a plane or
Train, follow these instructions
1.  Quietly and calmly open up your laptop case
2.  Remove your laptop
3   Start up
4.  Make sure the guy who is annoying you, can see the screen
5.  Close your eyes and tilt your head up to the sky
6.  _Then hit this 
LINK 