Yukimura and the others will be giving presentations at the summer study sessions. There's less than a month left until the training camp, but Kosuke still hasn't picked a research theme. Professor Ikeda suggests research into "an algorithm that could instantly find the True End in any dating game." On the other hand, Yukimura and Himuro are focused on the hormone which is released when a person is touched by someone they love - oxytocin. By investigating the amount present in a person's saliva, they think they might be able to determine if the person loves the one who touched them, and they decide to immediately put it to the test with some close contact...
I'm talking about the 
ten-thousand-hour rule.
.أنا أتحدّث عن قاعدة عشر آلاف ساعة
Ich rede von der Regel
der zehntausend Stunden.
Es la regla de las diez mil horas.
Es la regla de las diez mil horas.
C’est la règle des 10 000 heures.
Sto parlando della regola delle diecimila ore.
É meramente um efeito
da lei das dez mil horas.
А о правиле десяти тысяч часов.