You're not the friend, sorry. I'm not killing anybody with tobacco, they choose to do it themselves and it only kills you if you believe that it will.
so i guess those warnings on the cigarette packs were wrong all along?
A lot of people smoke when they're stressed. A lot of people associate negative thinking with cigarettes. Negative thinking is what causes sickness, it's created in your mind. You can smoke cigarettes and as long as you don't let you're problems consume your life, you'll be fine. Life is what you believe after all.