It is not remotely normal in a working day to kick off your day with champagne breakfasts.
Follow this with mid-morning aperitifs, wine at lunchtime, mid-afternoon cocktails, early evening beers, champagne receptions, supper with wine, and then wind down beers with your new best friends.
Now repeat for a further 3-4 days. Getting up for a networking breakfast at 8am, after having gone to bed at 3am.
No-one will question your robustness by swapping grape or grain for some water!”
Your body is going to take a hammering.
Keep your H2O levels up.
Purchase a large bottle of water and keep by your bed.
You will be hungover, lack of sleep, too much alcohol.
Take it easy. Pace yourself. You have been warned.