You can't become an adult until you've learned to control that part of yourself Takashi.
... hm? Takashi's slowed down?Hey, Takashi...What's happened, Takashi!!?Takashi-kun, are you okay!?Noooooo!! Don't come near me!!This thing still hasn't stopped either...No, it's more like he can't move at all! He's rolled up and holding his knee, like he's hiding his whole lower body!!How long are you gonna stay in the pool!? Come up and help us clean!We haven't stopped being angry at you yet!!Arise, loser