Perhaps THIS is why so many quits are lost when folks drink alcohol? This study suggests you will need to drink more to get the same effect if you were a smoker. We know that the more you drink, the more inclined you will become to lose perspective on your quit. "Just one won't hurt" is a common theme it seems.
My recommendation? Keep your quit your #1 priority and don't drink alcohol when you are quitting smoking.
A quit is a terrible thing to lose.