My dad had tinnitus and it bothered him relentlessly. He was constantly following potential new treatments, talking to doctors about it, etc.

I have it too. I've taken the approach of truly accepting it: "I will hear these sounds the rest of my life, and I'm truly okay with that". As a result it doesn't give me anxiety or bother me, and I find it helps it fade into the background. The more you focus on it (and let it bother you) the more it stays in the foreground.

I know the advice of "just learn to be okay with it" is easy to communicate but very hard to actually do. I found mindfulness meditation helped me learn to accept things without judgement, including the presence of my tinnitus.