"Man takes boulder to head and still is able to mortally wound me." Argus wasn't exactly concerned about them trading gentle barbs so much as he was concerned about Jag's ability to stay conscious and make coherent insults.
At the mention of Jag healing, Argus mentally tapped into the records about the agent. He wasn't just brushing it off like the former agent might had. Still, it wasn't as fast as some of the other agents he had come across. He also doubted, and secretly hoped, Jag never had to heal himself from any sort of brain or spinal injuries.
"You were... kinda... I mean. You were behind an enemy... rock?" He tried to throw back as he sent off a message to Holly. "Look, just checking if you know who you are, where you are, why you're here... yadda yadda. Checking to make sure the light's still on upstairs and that the wires didn't get crossed."