i say you tell him that you heard about this guy who has real good bud, and you wanted to try it. But tell him you will still buy from him, you just wanna try out this new bud that u never had. I mean you will be lieing a little, because u said u have tried it, but it wont hurt. Peace~
honesty? if he went out of his way... Get his shit.. otherwise just say you know someone with some better shit