A fellow is talking to his Irish buddy ad says, "I gotta stop drinking that Irish whiskey"

"How come?" asked his friend.

"Because every Saturday night I go out and drink a fifth of the stuff, come home, make mad passionate love to the wife, wake up Sunday morning, and go to church."

"What's wrong with that?" the Irishman asks. "A lot of good Irishman go out on Saturday night, drink a fifth of good Irish whiskey, come home, do the wife, and go to mass on Sunday."

"I know," said his friend, "but I'm Jewish."