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."
It raises blood pressure and provokes 
the fight-or-flight response!
!يرفع من ضغط الدم ويحرّض استجابة الكرّ أو الفرّ
Es erhöht den Blutdruck und löst
eine Kampf-oder-Flucht-Reaktion aus!
que te sube la presión
y despierta tu instinto de lucha.
que te sube la presión
y despierta tu instinto de lucha.
Elle augmente la tension
et active la réponse « combat-fuite ».
Aumenta la pressione sanguigna
e innesca la reazione di attacco o fuga!
Ela aumenta a sua pressão sanguínea
e provoca reursões agressivas!
Повышает артериальное давление и
запускает реакцию «бей или беги»!