It's not a turn Benedict was expecting in the slightest, and his face even goes a little white from the shock of it.
Glancing from side to side, it's clear there's a small part of him that wants to continue resisting just to see what will happen, but this is frightening enough coming from Edgard that he leaves it be. For now.

He slips out of bed and begins to get dressed, casting the occasional nervous glance back at Edgard. I'm up, I'm up.