I would just try and hold out until when they dismiss you for the evening or whatever. Just get some nic. lozenges and wait it out.
I know you aren't looking for a lecture.
I'm about 3 months deep into quitting smoking, and I have to say I won't be back down that alley. It's amazing how much it changes your skin, hair, sense of smell, bank account, etc. It may seem like a great coping mechanism for stress now, but do yourself a favor and quit while you are ahead .