[Oh dear, it seems he really did go on for too long. Lorenz listens to all of that, looking somewhere between slightly embarrassed and genuinely sorry, and then it finally clicks.]

Oh— Oh, Edelgard, I am truly sorry, I hadn't realized...!

[She must have noticed this place far before he did, and of course she would like to spend some alone time with him away from prying eyes (and Hubert). Lorenz rests a hand on his chest and ducks into a bow.]

Please forgive me; I was simply so excited I hadn't stopped to realize that you were interested in something else! I will endeavor to never repeat the same mistakes.

[Now, with that out of the way... uh...]

Well, we are... certainly alone now!

[...he is absolutely turning bright red, for some reason it feels sort of awkward to just... jump into this suddenly...]