Making a Confession

A drunken man staggered into a Catholic church, sat down in the Confessional and said nothing.
The priest is waiting and waiting and waiting.
The priest coughs to attract the drunk man’s attention, but still the man says nothing.
The priest then knocks on the wall three times in a final attempt to get the man to speak.
Finally the drunk replies, ”No use knockin,’ pal. There’s no paper.”