Wouldn't walking be more of a risk? It's better to be caught smelling like it, than to be caught in the action of smoking it. Just blaze in your car with the windows down, dude. You have nothing to worry about, you'll be just fine. Put the visine in (seems to work better if you put it in before for me. But I hardly use visine), toke it up. Simple. Don't be so paranoid .