From the Discussions about the various programs, it is obvious everyone belongs to a number of Airline, Hotel, etc MILES/POINTS programs. Air, hotel, car rental, etc.

How many cards do you have?
How many do you carry with you when traveling?
Do you use them to ID yourself for checking in for flights or rooms?
How do you store or carry them, when traveling?
Do you leave any at home? Or take everyone of them on trips?
Do you keep them in a special drawers or 'safe place'?
Do you keep the old Gold or Platinum cards after you fail to requalify?
Are you embaressed by the NO ELITE STATUS cards?