hmm, so a friend who is also one of us claims that some other drunks reserve the right to relapse?!? That has nothing to do with anyone "from" AA, just more jibberish from an alcoholic.
My experience is that regardless of what a friend tells me they did or heard what others do it doesn't make it correct. For me 100% total abstinence is the only way to tackle alcoholism. If I allow my brain to start making exceptions - or the nice way you phrased it - Reservations (ha!) it won't be long until I am making reservations to drink once a month, then twice, then on weekends.......blah, blah, blah.
I had to find a way to deal with life. Alcohol was my solution - not my problem. Until I dealt with my problems - regardless of what they may be - I am still in bondage.
Take a train, drive or walk - I would do this with no reservations what so ever......