The trouble with aggressive nonsmokers is that they feel they are doing you a favor by not allowing you to smoke. They seem to think that one day you'll look back and thank them for those precious fifteen seconds they just added to your life. What they don't understand is that those are just fifteen more seconds you can spend hating their guts and plotting revenge.
An old joke has an Oxford professor meeting an American former graduate student and asking him what he's working on these days. 'My thesis is on the survival of the class system in the United States.' 'Oh really, that's interesting: one didn't think there was a class system in the United States.' 'Nobody does. That's how it survives.