If you are an airline crewmember, and are PROUDLY displaying your ID while non-revving in civvies (I don't know why you would...I carry my baby with me in uniform to avoid TSA harassment -which looks stupid I know), you are the equivalent of the 25 year old going back to your high school homecoming with your letter jacket.
Probably the adult way to get a first class seat, is to keep your toolish ID in your pocket. When you are about to hop through the door, give the F/As a quick ID flip and say hi. Usually works.
Then again, it might get your rocks off to continually answer where the can is, if the flight is ontime and what gate the flight to rochester leaves from....
TOOLS