PoLL!!How Many Of These Things Will I Need To Quit To Make Quitting Smoking An Easier Process?

Well see... I have some bad addictions,some just wants not so much addictions........Coffee everyday, I drink wine on the weekends and i smoke a lot of pot....I really prefer to not quit the green but just the cigarettes...?? What would be best to cut out of my life though to make this an easier process??..Thank you.... :)