My personal take on Alhaitham is that he lives in a constant Schrödinger's Cat state where he is both 110% convinced that he and Kaveh will be married one day and also 110% convinced that that "one day" isn't coming any time soon, so when it does finally happen, I know in my heart of hearts that the one who is most taken by surprise will be Alhaitham.
Kaveh: Sorry, this has been a long time coming, but I finally sorted through my feelings and--
Literally Everyone Else: Oh, finally.
Alhaitham:










