The kids are done, and Masaki wants to know if he can examine the kid over there. He's not really a doctor, but he's the closest to the kid in age, so he should be able to figure out what's wrong with the kid. Masaki asks how many teeth Masaki has, and the kid says that he doesn't know, so Masaki figures out that he has twenty teeth. The kid's all, "Wow, I don't really know how many I have, but I'm sure I have a lot of teeth" , and then Masaki says, "OK, I'll count all of your teeth for you" . Then Masaki tells Masaki that he'll have to take care of some of his teeth, because some of them are going to fall out