Fun fact all the actors that have played Fiyero all agree that the jacket he wears here and is very itchy and tight and hard to move in. Which, ironically is perfect for how he is feeling and when he’s with Elphaba he takes it off and is comfortable and himself.
That’s a perfect example of explaining his life of who he’s with and how that makes him feel when he’s with someone who he doesn’t love and with the one person he loves💚