talk (oneself) ragged
To talk until one becomes exhausted or has nothing left to say. I had been talking myself ragged about the issue for nearly an hour. My sister was really distraught about her breakup, so I just gave her a sympathetic ear while she talked herself ragged.
talk someone ragged
Fig. to talk to someone too much; to bore someone. That was not an interview. She talked me ragged. He always talks me ragged, but I always listen.