Though Yukimura and Himuro went as far as to kiss for the experiment, they were soundly beaten by Chris and Suiu's oxytocin levels in their saliva. Panicked, Yukimura suggests that they conduct control experiments. However, in the midst of the Yukimura/Suiu pairing, Suiu's seductive manner ends up causing Yukimura to ogle her charms. Seeing that, Himuro runs another experiment with Yukimura, but ends up sulking. The two end up having a lover's quarrel. Yukimura's behavior causes Chris to look down at him coldly and say, "As a man, you are a failure."
in the end, he always demonstrates 
the answer he has for me.
.في النهاية، يقوم بتوضيح الإجابة لي دائما
am Ende präsentiert
er mir stets seine Antwort.
al final, él siempre
me muestra la respuesta.
al final, él siempre
me muestra la respuesta.
au bout du compte,
alla fine, lui dimostra sempre
la risposta che ha per me.
No final, ele sempre
me aponta a resposta.
в итоге у него для меня всегда есть
подходящий ответ.