Of course it would be then that she finds her keys; her face remains relatively calm and expressionless (apart from the occasional Castle-induced grin or eyeroll) all the way up to her floor and into her apartment.

It only occurs to her then, as she disposes of her bag on the table in the foyer and sheds her coat, that she hasn't exactly thought far ahead to the subject of sleeping arrangements - though, right now, her brain is too tired to do much thinking in general.