Going to the dentists.
OK, it totally honesty, it may not be one of the top ten things you enjoy doing. But it sure is a whole lot better than in the 'olden days'. Some of the stories I've read about taking care of toothaches a hundred years ago are...
If you've ever had a cavity that needed filling, you'll appreciate the promise of using an at-home product that can heal those holes in your head, without a trip to the dentist.