 Bart and Lisa start a lemonade stand , but it is quickly closed due to them not having a vending permit . They get in line at the licensing bureau , only to find that the long line is standing still due to the clerk doing a crossword puzzle . Impatient , Lisa completes the puzzle herself , only to find herself addicted to the puzzles . Eventually , she becomes so obsessed with them that Superintendent Chalmers hands her a pamphlet for the Crossword City Tournament . Meanwhile , at Moe 's , Edna Krabappel offers to buy a beer for anyone who breaks up with Principal Skinner for her . Homer ends their relationship , and decides to take a second job in which he helps break up romantic relationships . Grady , one of his old roommates , calls Homer and asks him to break up Grady 's and his boyfriend 's relationship because he found a new and " better " man in Duffman . Homer successfully manages to break up the couple . After making a good deal of money , he dreams that he is pestered by the " ghosts " of the jilted lovers and thus quits the trade . 
