I would not mind an extra one, though it would have to be small so it does not weigh down my wings too much. And you are far louder. I am not sure the gag would be enough.

Even if we were completely quiet, I would still feel strange with someone a few feet away. What if there is an emergency, and he walks in while one of us is bound?

[ The embarrassment would kill him. ]

I also would feel strange about spending the evening since he would know even if we are quiet.