6 years as a combat medic did my hearing in that and Rock and Roll lol One of these days I'll write a book title " the funniest thing's I NEVER Heard " I cant ever remember a time in my life there was not a ringing in my ears. I finally broke down and got hearing aids about ten years ago after I back handed one of my kids at the dinner table for something I heard them say but what I heard was not what they said according to everyone else at the table.