If you end up in a middle seat for a flight of any duration, it will help if you accept early on that it ain’t gonna be fun, easy or comfortable, so you might as well make the best of it. It’s going to be a slog, but sooner or later you will find yourself on the ground, with no one banging your elbows or slamming your knees. In other words, as the story says, this too shall pass.

Source:  Independent Traveler