^^^^
This is highly likely. My mother used to be out in the shed at 6.30 pretending to be doing the washing for years and was having a sneaky tipple before getting on with the day.
Alcoholics are sneaky, they hide drink in all sorts of places. Yes, she drinks such copious amounts, I would imagine there is severe withdrawals without it. Tuesday margs etc in Bali, is all to keep her going to the weekend where she can justify a big session.
Instagram need to start putting drinkaware.ie labels on her posts/stories that mention drinking. Seriously