Man I feel for you. That has got to be the next worse thing to someone dying.. in some ways worse. It's corny but I can't help thinking that it may help that she obviously isn't worth being that hurt over.
I broke up from a 9 year relationship about 10 years ago and it does take a lot of determination to start what is often a whole new life. Mine was, I moved a long way with two kids and then went back to school and university. Finding new direction helped me a lot.