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...
It's not like you to be so unscientific.
.ليس من عادتك أن تتصرّفي بطريقة غير علميّة
Diese Unwissenschaftlichkeit
passt nicht zu dir.
Algo tan absurdo no va contigo.
No te pega algo tan absurdo.
Non è da te essere così antiscientifica.
Isso não é científico,
nem parece você.
Такая иррациональность не в твоём стиле.