The fact that Gard's charm makes him anonymous in the mirror? Is so perfect I don't think I have words for it. It just makes the scene so much *more*.

he wanted to control Harry with his bare hands and nothing else.

It's about here where my brain went poof.

And he couldn’t honestly say who was following whose lead here, but it was as if they were locked together, on the same page and perfectly synchronous, under it all.

And that is actually their canon lives.