The leaders of the big beer companies meet for a drink in New York.
The president of Budweiser orders a Bud.
Miller’s president orders a Millers.
The president of Coors orders a Coors.
When it is Guinness turn to order he orders a cola.
“Why didn’t you order a Guinness everyone asks?”
“Nah” he replies. “If you guys aren’t having a beer neither will I”.