It's inconsiderate to smoke around people who are not smokers.
Jan is at work and is about to take her smoke break.
Jan wants to smoke a cigarette.
Jan lights up her cigarette in a designated smoking area outside the building.
Jan sits down in a group of non-smokers and lights up her cigarette.
Jan enjoys her cigarette and has a conversation with the other smokers.
Jan's coworkers yell at her and tell her to get away from them.