A middle-aged man and his wife are attending his high school reunion when they notice a woman sitting alone at another table, swigging back a bottle of wine.
"Oh, no!" moaned the man. "I can't believe she showed up!"
"Do you know her?" asks the wife.
"Yea, that's Linda, my ex-girlfriend. She took up drinking after we broke up, and I've heard that she hasn't stopped drinking since."
"My God," the wife comments, "who could have believed anyone could just keep celebrating for so long?"