[ Loki raises his head from his book, slowly dragging his eyes up the length of Thor's body, a single eyebrow rising as his gaze does. ]

It seems to me as though you've done quite enough rolling around in the muck for one day.

[ Besides, if he spars with Thor, it's just as likely that the guards would think he's attempting to free himself and step in to protect Thor's honor--however ridiculous a thought that is. ]

And really, I fought you to a standstill when you were once well and truly ready. Did you think you would be able to best me, tired as you are?