Modern au:
Arthur: holy shit, I was reborn gay
Merlin: wait, you weren't gay back then?
Arthur: ... No?
Merlin: then what was all that about?
Arthur: ... What are you talking about?
Merlin: You... Me... *Air quotes* do you know how to walk on your Knees*
Arthur: I married Gwen!!!!
Merlin: WE married Gwen, Arthur. WE did!!!