The Second Hand Smoke Dillema

As I have posted before I live with a bunch of smokers and my close friends all still smoke. Also when I walk on my school campus you are constantly walking through smoke it seems like (never noticed this when I was a smoker). My question to you guys is this, do you allow your self to breathe in any second hand smoke or do you avoid it at all costs? I have only quit for 2.5 days and any time I walk through it I love the smell but also remember why I quit. So its a good and a bad,

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