==>
ROSE: That was... odd.
ROSE: Even by Terezi's standards.
DIRK: She's fine.
ROSE: Doubtless. But wouldn't it be best to wait for her to return before discussing our future plans?
ROSE: Whether she likes it or not, she is a part of this goofy expedition.
DIRK: She isn't a part of this, though.
ROSE: A part of "this"?
DIRK: This.