[The observation makes him pause and think. Something bothering him...? Well... there were many things he'd say were affecting him, but "bothering"...

One of his hands returns to the keys and begins to play a pleasant, repetitive exercise. Not loudly, he's more focused on their conversation.]

I was able to speak to my friend, Shinji-kun. I told you about him, right? He came here Valentine's Day, and we played music together.