For me it’s driving while under the influence. If you couldn’t tell, I like me some ganja. However I have long since held the belief that it is utterly insane to drive while under the influence of most substances, with maybe nicotine and caffeine being the exception. All too often I see other stoners smoking and driving, which I simply can’t fathom. I’ve only operated a vehicle once under the influence and it was just to move a U-Haul around the block to a different parking spot, which was such a scary experience while high that I refuse to even consider getting behind the wheel again while high.
This is why I get anxious playing with new groups, especially because if I draw a token that let’s me try something out of left field, I can rarely resist going for it. Thankfully, so far everyone has been really excellent, but it takes me a while to slip in and get comfortable