I've thought this many times about my smoking habit, my procrastination habit, and whatever else I haven't even become self-aware of yet.
I don't need somebody else to nag me about smoking. I KNOW. I nag at myself, then promptly light another one, then go nag at him for drinking. Hypocrisy.
I even had him recently buy e-cigs to try to help quit, then ignored the e-cigs. They are laying around unused.
There's a quit smoking section here but I don't go there because that would be bringing the problem forefront into the light.