High Functioning Drug Addict (HFA) are those kinds of person who keep a perfect balance between alcohol and their personal lives. These kind of alcoholic persons are also very good in balancing their professional and love life also. It can be very hard to understand by looking at them that the person is an alcoholic addicted one or not. But, if you notice them very minutely then you will see the difference between a High Functioning Drug Addict (HFA) Person and a normal alcoholic person.
