Both the question and answers suggest that you guys are all Homers. Simpsons is very Freudish. Homer and Bart are the IT, instincts, while Marge is the I and Lisa is the (don't know the English term But) morale super Ego or something.
I hate her! If I have a child like that I'll send it to boarding school for 52 weeks a year, where no doubt she'll be as happy as a pig in muck. My God she's the most patronising girl I've ever seen.