One rainy night Cody saw a girl walking in the rain. Out of chivalry he offered his umbrella. Two years later he saw the same girl in the rain again. This time he offered a hand and his heart but she rejected both. Leela knew she has no one to rely on, so she makes sure everything is under her control. If it's too complicated to deal with then she won't do it. One rainy night someone offered her a shoulder to lean on but she no longer know how to rely on other people.