There is surely a difference between vampires sharing blood, and someone being resurrected with it. Armand killed Daniel, and his blood brought him back into this unlife; they are bonded, Daniel can feel him. Something about it has shaken loose the worst of Armand's surgery to reveal hidden damage, or something about Daniel's inherent doggedness, or more likely, a combination.

"The Annoying Gift," he deadpans.

An arrangement. Oh, Louis. After a moment of hesitation, fighting with himself over the dumbest shit, he leans forward and presses a kiss to the older vampire-younger man's forehead.

"Gotta wonder if we're just crazy. For all of it."