[he stops laughing when he's addressed, and glances over - Mordecai's appearance doesn't earn a double-take, at the very least. . . . not that he's overly familiar with humanoid cat creatures, or whatever it is his new roommate may be.

But either way, Maias greets the other with a a smile and a grand gesture toward the bill, and then another indicating the room and their current situation]

Why, isn't that the punchline, friend? This ridiculous situation we've found ourselves in? While I understand frustration and even anger may be a more proper response, it's far too silly and unbelievable not to laugh at it.

[he pauses, and the smile turns a bit wry] Although personally, I've found myself in a situation similar to this. So it may only be funny to me.