You should know why, don't you?

That ring on your ring finger.

Although a provisional one, but I really can't...

Idiot!

Marriage, eh? It's just a system, right!? Not like we're doing it for real!!

I'm telling you I'd be more useful if I were to be married!!

But...

But what?

Don't tell me you are having a guilty conscience? Eh?

... What are you saying!! Please stop joking with me!!

... I'm sorry. But I am unable to comply. Please understand.