Alcoholics who have a problem staying sober seem to have trouble with the truth. Those with long term sobriety, less so. In my experience, it's typically been fairly easy to tell them apart, at least in real life. On the internet, less so. But in the end, what's the point of the dishonesty? Typically it's just a method to justify the next drink.
I find that everything in the signature lines below help to keep me sober.