is assured of a drink bought by your truly.
Even if we're under 21?

Water is a drink.
Over 21-year-olds may put single malt in it or whatever else takes their fancy.
As to fruit : in the words of the great Tallulah Bankhead, when observed having an Old Fashioned for breakfast, "Dahhhling ...all that fruit! It's so good for you."
However, I draw the line at little umbrellas.
wow