Excuse me, but overweight people have feelings and rights too and should not be spoken about as though they are 2nd class citizens! While I have never had trouble fitting into an airline seat myself, I have had very over-sized people sitting next to me and yes, it was uncomfortable for me. But this is just they way they were and they were usually lovely people. Out of control children kicking me in the back have caused more of a problem. I think people who see a larger person sitting comfortably on two seats might be annoyed by this, especially if other passengers haven't been able to get on the flight because of "over booking". They won't be consoled by the fact that the larger person has possibly paid for two tickets. I say the airlines should stop treating passengers like sardines and go back to sensible larger seating. More comfortable for all!