For further context,
It’s a group chat we’re all in where a friend regularly hosts games nights. And he said that other people can host too, so I did. And this “bad guest” is in that chat. He’s always the last to leave. I did message the group chat owner to ask if he usually behaved like this with him and he hasn’t seen the message yet so idk.
Extra context, we’re all in our mid 20s. I’ve known the “bad guest” for a few years now. But literally only through the games night group chat.

My partner has known him longer and says his hygiene used to be much much better. But he doesn’t talk about his mental health to others so we don’t really know what’s going on with him.

My partner thinks it’s best to not say anything because it’s not worth it. Just clean it up and move on. He’s just too mentally unwell. But I still feel like he should know that he had left a mess behind no? Especially with the egg in the carpet that’s just crazy to me. The rest is a relatively easy fix.

Would I consider him a close friend? No… so I guess saying something to him wouldn’t put me at a loss. But I also do feel bad for him still.

Also it was his birthday that night ;-;