[It feels like a bit, but by Donnie's expression and the whole overall tone of their talk so far, this is most definitely not a joke.]

My darling wonderful love? Oh, I'm such a menace. [Like, Rue can very well see themself being that sickening in love, but they also acknowledge how beyond over-the-top it is.]

I can't believe I'm engaged and I don't even know them! And that I - [Rue peers back up at Donnie, only briefly, before hiding their face behind their taloned paws.] Why I ever told you such a thing makes no sense to me! How am I ever to face you again!