It's definitely up there in my favourites, I honestly read it over and over.

Yeah, but in terms of being future cr, that sounds like a lot of fun. The fact that he's posing as a meta-human strikes me! I'm angling to get Jack in as a senior clan member or a clan leader, so it's possible if Aziraphale was acting as meta-human during those years, Jack may have stood up for him? Seeing as meta-humans sure aren't the problem round these parts.