Years ago when I was a 727 Engineer, on one layover I got down to the bar (a night club type bar, at night, with no windows) a little before the copilot, who a few minutes later came in to the dimly lit club, wearing his 'shades'.

I just looked at him in disbelief and asked, "WHY are you wearing your Sunglasses, at night, INDOORS??"

He shruged, smiled and said, "Because, when you're Cool, the sun shines on you 24 hours a day."

Needless to say, we did not score any hot chicks that night!