We do not know what is around the corner, so we often cling to the negative feelings surrounding past events. It can be hard to let go, and often for good reason. I struggle all the time to release, and stay open. That evening I learned, even more so than my son, that when we trust that the universe conspires in our favor, good things happen
Therapy is sometimes portrayed as a selfish and indulgent undertaking. If that's your concern, rest easy and find yourself a good therapist. There are many ways to help make the world a better place and therapy is one of them; it ideally sends us off better prepared to do our personal part for the world, whatever that may be. Including skepticism.