Glad you find it amusing. No, she hasn’t been institutionalized in a bar. She’s spent all of these years in state psychiatric centers, and has most recently been in adult assisted living facilities for the past 10 years. She suffers from organic brain damage, schizophrenia, and dementia among other things, all caused by the aging process, the effects of alcohol on the brain, as well as the long-term effects of the psychotropic drugs she’s been medicated with.
So, she’s much more than an alcoholic who hasn’t drunk in 40 years. Your original post was amusing in that narrow context provided by the absence of necessary information.