A).Arthur is 8 years old and her hasn't lost all of his baby teeth yet. When Francine and the others find out they tease Arthur. He yet becomes even more determined to lose his tooth and fit in with the others. B).D.W.'s friend Emily gets earrings. She says it's because her parents view her as a adult so D.W. tries to act like one but she gets lost in the store and realizes that even adults aren't perfect either and after seeing what happened to Emily's ears she decides not to wear earrings until she is a grown up.