blew up in my hand.)? my ear has been ringing nonstop for over 12 hours and its extremely annoying. it was cuased by a m80 blowing up in my hand(my hands fine) and now it wont stop and any noises just sound so sharp and annoying like takeing a shower sounded like fingernails going down a board. so pretty much im in a bad stop and i have football in 4 hours and i want it to stop by then but its not showing any signs of it. does anyone have tips on how to make it stop ringing?