This is pretty crazy. I'll continue to be "rude" then. I've also learned to lower the armrest as soon as I sit down. If an overweight person sits next to you,

This is pretty crazy. I'll continue to be "rude" then. I've also learned to lower the armrest as soon as I sit down. If an overweight person sits next to you, it will be impossible to lower it and they will be taking up part of your seat.