The parasites' living situation has changed drastically after the battle for Gran Crevasse. Zero Two's attitude toward them seems to have changed drastically, too.
We'll probably never fully understand 
what happened between them,
على الأرجح لن نفهم أبداً
،ما حلّ بينهما تماماً
Für uns mag nicht alles, was zwischen
ihnen vorgefallen ist, nachvollziehbar sein,
Probablemente nunca entienda
lo que pasó entre ellos,
Probablemente nunca entienda
lo que pasó entre ellos,
On ne sait pas
tout ce qu’il y a eu entre eux deux.
Non capiremo mai cos'è accaduto tra loro due.
Acho que nunca vamos entender
o que aconteceu entre eles,
Мы не знаем всего, что с ними случилось.