Hayato catches a cold. Mikoto, Minato, and Gakuto are eager to care for Hayato and handle the household chores. Even when they run into the Kirishima family on their way to a trip, they keep Hayato's condition a secret, not wanting to worry them before their vacation. 
I thought it would be helpful to utilize expert human wisdom.
Du solltest auf die Weisheit
der Menschheit zurückgreifen.
Deberías confiar
en el conocimiento humano.
alors sers-toi
du savoir de l’humanité.
Pensavo che sarebbe stato utile
fare affidamento sulla saggezza umana.
Achei que seria útil usar
a sabedoria humana.
Стоит положиться на человеческий опыт.