>>10111655Tobacco is the only one that legitimately harms you, even in small amounts. A little red wine is good for the heart and takes the edge off a rough day. Coffee is great for waking up and concentrating.
Overcome addiction, yes. Don't over consume alcohol or coffee. Even water can kill you if you drink too much.
Of all the things you should quit, the top should be pornography. Find a wife and be married. Do your duty in the marriage bed, and be free of sexual sin.