I didnt read all the posts. But your friend is correct. If you think you may have a problem. You do.
I'm somewhat of a functional alcoholic. I don't count my days but Im National Director Of Business Development for a monster tech company.
Im a drunk. But I guess you could say I am somewhat functional. I would not have the career I do if I was unable to function. I actually did 3 degrees and an MBA. Hammered.
Its was a special scenario.
You will learn a bunch of information form SR. This site has been a blessing.