Sheldon always wants everything done his way, he always tells everyone else that he’s smarter than they are and he has his friends all sign contracts to figure out how they can be friends. Sheldon also makes sure to have a schedule for everything and labels everything he owns. Sheldon also wants everything to be clean and organized. Sheldon loves Star Trek, Star Wars, Doctor Who, DC Comics and Marvel Comics but he hates Babylon 5. Sheldon has a list of people he hates called his enemies list. It’s said that Sheldon doesn’t understand when he’s being a jerk because “the part of his brain that should know is getting a wedgie from the rest of his brain.” Whenever people think Sheldon has a Mental illness, he says “I’m not crazy, my mother had me tested.” 