My wife and I were sitting at a table at her high school reunion, and she kept staring at a drunken man swigging his drink as he sat alone at a nearby table.

I asked her, "Do you know him?" 

"Yes", she sighed, "He's my old boyfriend.... I understand he took to drinking right after we split up those many years ago, and I hear he hasn't been sober since."

"My God!" I said, "Who would think a person could go on celebrating that long?"

And then the fight started...