Im curious why they got divorced and why she also triggers his panic attack

i feel it stems from something similar to how hockey did… she said he waited for her even tho he rlly didn’t love her… idk how to explain but maybe just the past in general is traumatizing for him

Too many guesses, but at least I'm sure it wasn't bc he came out as gay or he wouldn't have said he'd wait for her if she changed her mind.
Maybe she felt neglected even if Eunsan did everything a husband should by the book/they got married out of social pressure and getting divorced triggers his anxiety that he couldn't live up to his father's/parents expectations and he failed at one more thing? I hope she didn't cheat on him bc of that :(
I feel Eunsan is burdened by how his father treated him and the way he lives/his relationships have been driven by a sense of responsibility that didn't let him genuinely experience many things as he wanted them.