There was this man once, who went up to the barman, and he told him:
Can I have a screwdriver please?
And the barman said ok, and started making him one. 
Then the man said: sorry, could I have vermouth instead of the orange juice? 
The barman said yeah, slightly puzzled.
Then the man said: um, and could I have gin instead of the vodka?
At which point, the barman turns to the man and tells him: then why didn't you order a martini?
There's a moral there, guys  
