Yes, I too remember spending that much concern and effort on "drinking wisely" and how to "hold my liquor" so it wouldn't be a "problem" then, ya see.
It's an easy thing if you pay attention to those rules and your judgement isn't impaired along the way. Otherwise you might find that it's a progressive addiction.
But so long as it requires you us to devote the proper care and attention to it, it's not a problem.
Is it?
The commandments - with practice, which makes perfect - become one's second nature, to be followed instinctively. Pretty much like any black belt has automated routines.