C. H. Wallace once spent a day hanging around with the beast, once. It is written in his book on witchcraft. The whole time, they say nothing but woah to each other. All communication they exchange is through an interjection. And he seems to think that it works quite well.
Find a close friend, or a stranger. Someone. Don't say anything for a day, just whistle. Use melody and rhythm and timbre. See how much you can learn about them. Maybe you can't communicate as effectively as you thought. Or maybe, you possess the deft proficiency of Nightingales.
It is one thing to be bound physically, in the some home. It is another be bound hand-in-hand, and to be aware of your partner as though they are yourself. But separate and yet together, unspoken and bound. That is different.