It depends on the reason you are into this situation. But you must know that either you choose the person you Love or your self, some part of you will be brocken while the remaining be happy. I've never been is such situation but what I suggest you to do is rethink the situation which leeds you into choose between your love and your self. Is it worthy? And which choose makes less damage in you? Think claverly, it might be biggest decision in your life