I quit smoking 10 years ago along with my wife. We were trying to have children.
It sounds as if you want to quit which is the first hurdle. However, you may need to get some help from a doctor.
Do you have kids/wife? Find a motivator in your life and set small goals.
If anything, think of how that $$$$$$ could be spent on other things, like your Porsche.
I'm not much of a motivational speaker/typer but I know that you will feel better once you've kicked the habit.
Good luck, my friend.