Originally Posted by bbc1969

When on duty I operate in a professional manner. Instead of playing games I conduct myself as if someone who is "really" trying to do wrong by picking me out is there. I interact with my fellow passengers in a normal manner. Of those few times I have mentioned above, about half of them ended with the person telling me at the end of the flight that at first they thought I was the "sky marshal", but because I was "so normal", and had not reacted to their comments (as well as my conduct during the flight) they "knew" they were wrong. I just laugh and agree with them.