Some of you may be familiar with the Blue Collar Comedian Bill Engvall who has a routine about stupid people. The whole idea behind his idea is that when people ask you a dumb question you can just hand them a sign that says “I'm stupid.” 

No matter where I go people look at my truck tags and ask me “You from Colorado?” I want to say “Nope, I just like the color of their tags.” Here's your sign.