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."
putting you in a state of 
relaxation and happiness,
،يضعك هذا في حالة من الاسترخاء والسعادة
fühlt man sich entspannt und glücklich.
Dann wird das meiste produziert.
y al estar relajado o feliz,
es cuando más se secreta.
y al estar relajado o feliz,
es cuando más se secreta.
qu’une fois atteinte
la phase apaisée de la vie de couple.
raggiungendo uno stato di rilassamento e felicità,
ne viene prodotta la quantità maggiore.
fica num estado de
relaxamento e felicidade,
способствует расслаблению,
чувству радости и активному