Please tell your husband that tinnitus is a very common condition, that comes in many forms and intensities and no two people experience it the same. It is not just loudness of the tinnitus or hyperacusis which is important but more crucial is how they affect a person's mental and emotional wellbeing. Please ask him to read https://www.tinnitustalk.com/threads/what-is-severe-debilitating-tinnitus.35032/