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 interaction between 
two physical objects
،خلال التفاعل بين جسمين ماديين
Bei der Interaktion zwischen
zwei physischen Objekten
Hay dos fuerzas que actúan
en la interacción entre dos cuerpos.
Hay dos fuerzas que actúan
en la interacción entre dos cuerpos.
Toute interaction entre deux corps
est régie par deux forces :
Quando due oggetti fisici interagiscono tra loro
Na interação entre
dois objetos físicos,
При взаимодействии
двух физических объектов