Being in a happy relationship without a fluent common language, I've come to realise that being 100% understood and using exact explicit terms is overrated. Often 50% in a basic manner is enough, and that we both have rich separate worlds that appreciate our educated nuances where our egos can be validated.
It has the benefit that our interaction with one another is largely ego-free (outside of a few spats here and there).
I've been in a relationship before where she 100% got all my references, had the same "sophisticated wit", and was educated to the same degree as me... and it was the most stressful, competitive, and pettiest relationship I'd ever been in,
Sometimes, small gestures are the best, and we can leave the essays at the door