Maruki's gaze didn't even shift at the mention of the fact that someone else might be feeling boxed in. Why would they? A controlled environment is to make sure that they don't go out of line while he keeps them comfortable- ah, he's really turning into a hermit, isn't he? "It's hard to resist the fact that there's a world outside of this lab that I have to answer to sometimes. Maybe I am going a little mad-!" He laughs out loud, clearly a joke. "I am not- going mad. I figured I could invite him to my previous workplace in Shujin Academy. Back when I was still a counsellor."

It's controlled, but it's comfortable. Our minds by virtue can trick us when we are in a boxed up environment- like the frog in boiling water. Of course I wouldn't actually simulate such an awful experience but...

But that reminds him-!

"He approached me in a bar actually. I felt like I was cornered there until he and I just shared drinks and he told me how I was dealt with an awful hand back in his world."