"Pastor and The Statue" joke

A male pastor entered a neighborhood pub to use the restroom. The place was hopping with music and dancing, until people noticed him.
As the room quieted down he approached the bartender and asked, "May I use the restroom, please?"
"I really don't think that's a good idea," the bartender replied.
"Why not?" the pastor asked. "I really need to use a restroom!"
"Well, I really don't think you should," insisted the bartender. "There's a statue of a naked woman in there and she's only covered by a fig leaf."
"Nonsense," said the pastor, "I'll look the other way!"
So, the bartender showed the clergyman the door at the top of the stairs and he proceeded to the restroom.
After a few minutes he came back out and the place was hopping with music and dancing again. He went to the bartender and said, "Excuse me, sir, but I don't understand. When I first came in here the place was hopping with music and dancing. Then the room suddenly became very quiet. I went to the restroom and now the place is hopping again."
"Well, now you're one of us!" said the bartender. "Would you like a drink too?"
"I still don't understand," said the puzzled pastor.
"You see," chuckled the bartender, "each time the fig leaf on the statue is lifted, the lights go out in the whole place. Now, how about a drink?"