merrycompo, we have a glass of mulled cider with breakfast, but the alcohol content is pretty minimal. I'm not sure how people who start with champagne at breakfast remain functional enough to cook (fine when a guest though!).
Then no more booze really until lunch, which might be a nice glass of white wine to go with a light lunch of roasted ham, red cabbage coleslaw, perhaps a bit of pate or soup etc.
Perhaps a glass of Prosecco in the afternoon while cooking, and to toast the Queen if we're feeling really traditional.
Then dinner we serve at 6ish, a glass or two of wine with dinner, a small glass of pudding wine with pud, a small glass of port with cheese, perhaps followed by another small glass to fall asleep on the sofa with, bliss...
So over the course of a whole day, not an obscene amount of booze, certainly not enough to feel drunk, well, perhaps until late evening!