A drunken man staggers in to a Catholic church and sits down in a confession box and says nothing. The bewildered priest coughs to attract his attention, but still the man says nothing.
The priest tries a greeting, “Hello?” No response.
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 knocking, there’s no paper in this one either.”