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...
Could it be that you are embarrassed 
to have your heart rate increased?
أيعقل أن تكون محرجا لأنّني سأقيس 
معدّل نبضات قلبك؟
Ist es dir etwa peinlich, wenn sich
dein Herzschlag erhöhen würde?
¿No te dará vergüenza
que midan tu ritmo cardíaco?
No me digas que te da vergüenza
que midan tu ritmo cardíaco.
Tu as peut-être peur
que ton pouls s’emballe ?
Non sarà che ti vergogni
se la tua frequenza cardiaca aumenta?
Está com vergonha que seus
batimentos fiquem elevados?
Неужели боишься показать, 
что пульс участится?