" Does a crow become a salmon simply because it wished to? You do not know the first thing about mortality, prince-who-is-not. Why would you want to become like them?"
"Because," Grimalkin answered before I could say anything, "he is in love."
"Ahhh." The Witch looked at me and shook her head. "I see. Poor creature. Then you will not hear a word I have to say"

I was in love. With a human.
I smiled bitterly at the thought. The old Ash, if faced with such a suggestion, would've either laughed scornfully or removed the offender's head from his neck. "

― Julie Kagawa , The Iron Knight (The Iron Fey, #4)