Hi nmpb, thanks for the invite to your question.
I'm not really the right one to ask, as I don't smoke (anything) and I rarely drink any more.
I'd say you might want to stick with whatever's legal in your state (this may let out the pot) and, of course, you should be sure to stop before you get so 'relaxed' that you cannot function.
Oh, and be sure to relax at home or grab a cab - no driving!