Sometimes I overthink, overanalyze and beat myself up about things. I do agree that by starting new, you might be losing that chance to talk about what happened, but so what. Where does that get us. I liken this experience to getting back the control of our lives that we all felt when we heard those words. Putting the past in the past really helped me alot, but it is a daily commitment. It has gotten easier, but when new situations occur, ie S doesn't call, S isn't home, it can be difficult to separate the new Sit from the old one.
What really helped me the other day when I was down, was taking a step back and counting my blessings for the many, many great things in my life.