While taking their usual bath, the boys discuss how much Kyotaro is like an old man. The next day, when they go to school, they find themselves exhausted by climbing up the stairs... and learn that they're all becoming old men!
For better or worse... I'm not sure which.
سلباً أم إيجاباً... لا أدري بالضبط
Ich weiß aber nicht,
ob das gut oder schlecht ist.
No sé si eso es bueno o malo.
No sé si eso es bueno o malo.
Je ne sais pas ce qui est le pire…
Non capisco se sia un bene o un male...
Para o bem ou para o mal... 
Não sei dizer.
Даже не знаю... Хорошо это или плохо.