With Shion avoiding him, Rei starts wondering if he's been dumped. Rei and Jin have a heart-to-heart talk about relationships. Jin points out that Rei has changed a lot. Jin convinces Rei to run after Shion and try to salvage things before it's too late.
Why am I going out with him? 
I don't really know.
Auf die Frage, warum ich mit ihm ausgehe,
¿Por qué estoy saliendo con él?
Ni idea.
Por que estou saindo com ele?
Eu realmente não sei.
Почему предложил встречаться?
Без понятия.