Originally Posted by
catcher1
Of course it isn't a violation of courtesy or anything else. If my wife and I are in the main cabin we generally take aisle-across seats.
Well, I don't think so either obviously. But what's the difference between taking two desirable seats separated by an aisle and two desirable seats separated by a not so desirable seat. I don't get the idea that if two people are booking together and one doesn't book the undesirable seat it's considered by some to be discourteous or selfish.