Yukimura is working hard on his computer, as usual, when Himuro suddenly says, "I am in love with you. Her confession greatly shakes Yukimura. Unlike the last time, Himuro states her feelings matter-of-factly. Yukimura asks, "What theory did you use to determine that you love me?" Himuro replies by taking Yukimura out on a date and begins performing experiments they've done before such as measuring heart rates, using an emotion counter, collecting saliva, and the kiss experiment.
How, without using a basis with 
some degree of certainty?
كيف يعقل ذلك دون استخدام درجة معينة من اليقين؟
Wie soll man ohne solide Grundlage
ein bestimmtes Maß an Gewissheit erlangen?
No tengo pruebas definitivas
en qué basarme.
No tengo pruebas definitivas
en qué basarme.
Ne doit-on jamais
avancer quoi que ce soit
Come, senza usare una base
con un grado di certezza?
Como, sem usar uma base que
dê um certo grau de certeza?
Ведь нет никаких объективных
базовых параметров!