I can see he was just giving you a playful hard time on choice-of-word, since as it's used, fiancé is the masculine use, while fiancée is the feminine one. Any issues you want to bring up, bring it up with the French.
It feels somewhat comforting to know that in a fantasy world of various skills and abilities that the concept of "blunt force trauma to the head" exists to ground it and connect us to it.