Something no one told me about when I was growing up was that as you get older you start to identify and develop your values. Then, as you are doing this, you also start to look at yourself and if you are critical you realize that developing your values is complicated and that living up to your own values is very difficult. So difficult that you find that you are forever in a loop of evaluating your actions, determining how shitty you are compared to the way you want to be. Then you either try to adjust your value system to justify your actions or you demean yourself for being too weak to live up to your own values.