I like stupid Jokes

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Paul walked through the forest when he heard someone crying for help. He found a dwarf, stuck in a trap. He freed the dwarf, and the dwarf granted him two wishes.

"My first wish," Paul said, "is a bottle of whiskey that will never fall empty."

And flash, there was the bottle. Paul opened it, and drank it empty. The next moment, the bottle was full again. Paul was very happy.

"What is your second wish," the dwarf asked?

Paul replied, "I want another bottle..."