Their just loose gear on the highway of life, you don't dwell on them because they do you no good. Put them aside and use the experience to move on in a more positive direction. There are things I wish I had done and things I wish I hadn't but the doing is what makes us what we are. You do the best with what you have and that should be enough to have a happy existence. Remember Life is a terminal illness, so use your time here to the best of your ability