Quitting smoking is easy - I did it many times.
Seriously though, if you've gone a day, you're through the toughest 24 hours.
In 2 weeks, you'll start finding that urges are going away.
In 1 month, you'll find that you have almost no real urges.
So that's it. Make it that far, and it gets easier.
You'll start coughing up years of collected debris soon. Consider that a good sign.
Your lung cells are remarkable at regeneration, and, I read once, your lungs will heal at the rate of 1 year for every 4 years you smoked.
Anyway, keep it up - change any habits that lead you back - getting drunk, hanging out with 5 guys who smoke, and so on.
Massive Human Dieoff <b>must</b> occur as a result of Peak Oil. Many more than half will die. It will occur everywhere, including where <b>you</b> live. If you fail to recognize this, then your odds of living move toward the "going to die" group.