My wife still drinks heavily and I go to stores and buy her alcohol. I know it is enabling her and I do not like it when she is drunk but if I refuse it will only make matters worse.
If I don't do it she will get pissed off and we will fight; then she might go out to a bar, drink and drive, and potentially harm herself or others.
If is easier to just go with the flow and accept the things we cannot change.
I do not want to drink so buying liquor isn't a problem at this stage of my sobriety (5+ months).