Takagi-san and Nishikata compare heights to see if Nishikata did indeed grow. 
But as always, her method is unusual and Nishikata can稚 help but wonder...
Meanwhile, Yukari is curious about the two because they池e always hanging out together.
Are Takagi-san and Nishikata going out?
You must have a cold heart.
.لا بدّ وأنّكِ تمتلكين قلبًا باردًا
Du musst ein Herz aus Eis haben …
Debe tener el corazón frío…
Debe de tener el corazón frío…
Tu dois avoir le cœur froid.
Devi avere il cuore proprio freddo.
Deve ter o coração gelado.
Значит, сердце — ледяное.