For the context, I am French, living in Germany. As a tradition (but maybe I am old) you never drink wine alone. This is why my remark "as couple" because it is

For the context, I am French, living in Germany. As a tradition (but maybe I am old) you never drink wine alone. This is why my remark "as couple" because it is the minimal number of people you need to drink. But again, this is my education, so very personal.