A man sits down on a bar stool and tells the bartender,
“Pour me a drink before the trouble starts.”
The bartender looks puzzled, but pours him a drink.
The man chugs it and says,
“Pour me another drink before the trouble starts.”
The bartender does and the man downs it as quickly as the first.
After a few more rounds, the bartender says,
“Look, pal: you’ve had five drinks and all you talk about is ‘some trouble starting.’
Just when is this trouble supposed to start?”
The man replies, “Just as soon as you discover I don’t have the money to pay you for these drinks.”