This might not appeal to everyone. Indeed, I’ll be surprised if it appeals to anyone but me. All the same:
Add 4 ounces of Harvey’s Bristol Cream,
Top off the glass with crushed ice.
It was an accidental discovery, but so were penicillin, the microscope, and vulcanized rubber.
(Retirement is proving to be a fertile medium, as long as you don’t care what you germinate!)