A man and his wife are dining at a table in a plush restaurant, and the husband keeps staring at an old drunken lady swigging her gin as she sits alone at a nearby table. 
  
The wife asks, "Do you  know her?" 
  
"Yes," sighs the husband, "She's my ex-wife. She took to drinking right after we divorced seven years ago, and I hear she hasn't been sober since." 
  
"My God!" says the wife,  "Who would think a person could  go on celebrating that long?