You also have to remember that if Larry goes to a party with friends, at a friend's house, and someone lights up a joint, and Larry breaths it in, and the next day at work, someone accidentally drops a wrench on his head, he probably has to get drug tested even though it's not his fault. Bye bye job.... so as soon as he sees someone doing that, it's time to leave.
So, he has to make some choices.
I have never in my life read an account where second hand marijuana smoke caused a positive test reaction so this is all new to me and why I reacted to that statement. Of course I don't live in California either...
I do know the thousands of times over my life I have walked out of a restaurant or building and simply gagged on the cigarette smoke outside the door. I've always wanted to avoid that, the second hand smoke issue. Can fully understand how sitting in the Cheech and Chong car could create a problem for non users, but not in the normal "party" situation where you have a room, or a back deck where people are smoking.
I don't go there because I don't like the smell, but I understand now how Larry can't go there for his job.
so yes Larry, can understand now you want "out" of that airborne risk. My apologies for misreading what you wrote.