I have a question for you, do spirits (rums, bourbons, whiskies, gin, etc.) improve with age in glass bottles? Is it possible for the spirit’s taste to change over time after being bottled? Or, is it the case that after being taken from the wooden barrels that, that is it, the spirit won’t then change in its taste or won’t improve.
You hit the nail on the head at the end there. Sprits do not age once they’ve been bottled. Sorry to break it to you, but that 12-year old Scotch you’ve been saving for twenty years is not now effectively 32 years old. It shouldn’t really taste any different than it did on the day it was packaged.