Two fellas are having a pint when a man walks in wearing a beautiful suit Wow look at him he must have a good job with a suit like that . I wonder what he does? Hold on says one man I’ll go an ask him , Hi sir I couldn’t help but notice your lovely suit ,me and my pal over there were wondering what job you have to do to wear a suit like that? Well replied the man I’m a doctor of logic. A doctor of logic ?what does that mean ? Well sir have you got a goldfish? Yes replies the fella Do you keep it in a pond or a bowl? I keep it in a pond Well by that logic you must have a fairly large garden. With a fairly large garden you must have a large house Yes it’s 5 bedrooms Well by that logic you must have a large family Yes I have six children Well by that logic you mustn’t masterbate too much No no I don’t do that. Well by my logic and your goldfish it’s told me a lot about you. Well that’s marvellous thank you. As he returns to his pal his pal eagerly asks go on tell me what does he do ? He’s a doctor of logic, A what a doctor of logic? Yes Well explain to me what he does. Ok have you got a goldfish? No [spoiler]well you’re a wanker then[/spoiler]