Courtesy sometimes has its own rewards. ONce I offered up my FC seat to a woman with a seeing eye dog who would have had a tight flight in her economy seat. I took the backseat, but before takeoff the Fl/Atndt brought me back up to FC and at the end of the flight presented me with a bottle of wine for being "so nice." Not a bad payoff to the risk investment of giving up a FC seat. Actually, I did it for the dog's sake.