Help finding a fic

[Help finding a fic]

Hey, I'm looking for a trory fic where Tristan and Rory are driving somewhere - Tristans driving, of course - and he's smoking, and she tells him not to, but he shows her its not a real cigarette, its some cinnamon thing you can puff. Or something.

Sorry thats not very helpful or specific, but thats all I remember and I really want to find the fic! >.< Please help if you know it...