I have learned that only two things are necessary to keep one's wife happy. First, let her think she's having her own way. And second, let her have it.
But as far as my work is concerned, I see no impediment, and various advantages, to being deaf.
You will find hardly any improvising on camera anywhere in my films. It's very structured, but it's all worked out from elaborate improvisations over a long period, as you know.