She had to say "goodbye" before she could say "forever"... Rachel: Waitressing in a small-town bar was never my life goal. I'm just doing it for the cash... and because I'm in love with the owner. But I made a promise to my mama, and when I get the chance to sing under the bright lights in L.A.-I have to take it. Even if it means saying goodbye to the man who saved me. Josh: Letting Rachel go is...