During my last few years in the business, I found that the only way to play safe was to only drink on the first evening of days off, and the subsequent day
Herod, those days are long since gone! There is no such thing as "subsequent day off" as every trip now is minimum rest. No more 5 days here, then there, then somewhere else as in days that you and I probably recall (me from BCAL). Things have changed
a lot. So too has the quality in every respect. Sad but true.