[Oh, she's smarter than that, Axel~. A small hint of a sly grin goes here before she pulls back so that she can pretend to yawn behind her hand. She still keeps her other hand on you, of course, so that you don't run away.]
Oh, yes, I might. I am feeling so sleepy all of a sudden.
[And she will continue to feel 'oh so tired' until you get her inside, and then she will proceed to, well, you'll find out soon enough.]