My father in law was the same until he was diagnosed with liver cancer three years ago. I never really knew him before then because he was always drunk. By high functioning you mean you sit in the corner getting drunk every evening whilst ignoring your wife and kids? Fighting with them on a regular basis because you're sozzled? Since then hasn't touched a drop and I've got a father in law. My children have got a gran…
It is easy to think you're sober when you're drunk.