It's impossible to say what compels Benedict to do it: perhaps it's the sight of this large man shoving his face in a pile of pillows after being so weird and snippy, or perhaps it's a surge of frustration and confusion and, in its way, the sting of rejection--

--but Benedict removes one of his slippers to fling it at Vlast's upturned thigh.

He instinctively wants to follow the motion with a quick escape, but now only has one shoe on: so he kicks that one off and begins to stalk, barefoot, toward the door.