To find proof as to whether he is "in love" or not, Yukimura pats Himuro on the head from point-blank range. Seeing this, Ibarada, an upperclassman in the Ikeda Lab, talks about the need for a control experiment. In other words, in order to prove that the racing of his heart is because of Himuro specifically and not just because he's facing a woman, Yukimura has to pat Kanade and Ibarada on the head too. Himuro, on the other hand, sets out to prove that food made with love tastes better and cooks, but...
Trying to do things "precisely" is one of 
the sad things about being a science-type...
محاولة القيام بالأمور "بدقّة" من بين الأمور 
...الحزينة التي يقوم بها طلبة العلوم
Immer alles exakt machen zu müssen,
ist so ein Problem mit den Geeks …
Hacer las cosas con precisión es
un problema para los de ciencias…
Hacer las cosas con precisión es
un problema para los de ciencias…
C’est triste, les scientifiques
obsédés par la précision.
Cercare di fare le cose "con precisione"
è una degli aspetti tristi dell'essere una mente analitica...
Tentar fazer tudo de forma precisa é
uma das tristezas de ser de ciências...
Стремление к точности — к сожалению, 
одна из основных черт учёных...