A Man In A Bar

Man walks into a bar and asks for a whisky as soon as the bar tender serves him the drink, the man knocks it back in one gulp then askes for another. Again he knocks back the drink, four or five whiskies later the bar tender asks the man why he was drinking so quickly. The man replied 'You would drink quickly if you had what I have'. 'What have you got ?' asked the bar tender. the man replied, ' 50 cents ! '