When you're constantly assessing those around you, it stood to reason you ended up becoming quite accomplished at reading them.

"Very well, then." He'll take that as a dismissal and leave. With probably Chives already at the door as he exits. Which has Julien glancing back over his shoulder at Edgar with something of a smirk.

The job doesn't take long, he's back in the Castle by nightfall. No report needed, but maybe he'll bring the King another drink for the both of them.