I believe that's only a natural consequence of being in a place like this. It can easily become mentally tiring...and physically, if you're not careful. I'm sure you've figured that out by now.

[ In other words, things can get difficult fast. Not exactly the best place for any of them to be, but so it is.

Then, he'll smile a little. ]

Well, if you want to help get a feel for everyone, I'm sure recommending a pillow fight to the others and watching everyone else's reaction to it might help.

[ ...That was a joke. It's been awhile since Meng Yao had tried speaking about anything with a sense of humor. Maybe the first time since his arrival, but the other had also spoke about the mood, and this was supposed to be a party, so... ]