I'm not a smoker..I have like 1 cigarrette a week, so this isn't a common thing. But when I'm with friends and go to buy a pack of cigarrettes, I can't say "Marlboro" for the life of me. It just doesn't come out right...I say something like "Mabo" over and over..till the 7-11 guy laughs at me, and figures out what I mean. Then I leave the place and I can say it JUST FINE. I'd have no reason to be nervous, I'm over 18 and all and have a valid I.D. I'm thinking maybe this is part of some kind of paranoia disorder, maybe I should go see a doctor?