Good grief! Have you guys never tried HearFones? Of course you can't hear yourself right -- your ears are stuck behind your mouth! <www.hearfones.com>
People all over the world, most of who suffer from the same Ear-Behind-My-Mouth disease have been using them since -- let's see -- 1998? -- to cure this ailment.
(In the interest of disclosure, I'm one of the inventors.)